fix: replace gomatrix client with mautrix-go, fixes #1527

This commit is contained in:
Arturo Guzman
2025-11-08 15:19:50 +00:00
committed by artgp
parent d8684b97a1
commit f14c4438e6
233 changed files with 30797 additions and 3255 deletions

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# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o
*.a
*.so
*.out
# Folders
_obj
_test
# Architecture specific extensions/prefixes
*.[568vq]
[568vq].out
*.cgo1.go
*.cgo2.c
_cgo_defun.c
_cgo_gotypes.go
_cgo_export.*
_testmain.go
*.exe
*.test
*.prof
# test editor files
*.swp

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run:
timeout: 5m
linters:
enable:
- vet
- vetshadow
- typecheck
- deadcode
- gocyclo
- golint
- varcheck
- structcheck
- maligned
- ineffassign
- misspell
- unparam
- goimports
- goconst
- unconvert
- errcheck
- interfacer

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language: go
go:
- 1.13.10
install:
- go get github.com/golangci/golangci-lint/cmd/golangci-lint@v1.24.0
- go build
script: ./hooks/pre-commit

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## Release 0.1.0 (UNRELEASED)

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# gomatrix
[![GoDoc](https://godoc.org/github.com/matrix-org/gomatrix?status.svg)](https://godoc.org/github.com/matrix-org/gomatrix)
A Golang Matrix client.
**THIS IS UNDER ACTIVE DEVELOPMENT: BREAKING CHANGES ARE FREQUENT.**
# Contributing
All contributions are greatly appreciated!
## How to report issues
Please check the current open issues for similar reports
in order to avoid duplicates.
Some general guidelines:
- Include a [minimal reproducible example](https://stackoverflow.com/help/minimal-reproducible-example) when possible.
- Describe the expected behaviour and what actually happened
including a full trace-back in case of exceptions.
- Make sure to list details about your environment
## Setting up your environment
If you intend to contribute to gomatrix you'll first need Go installed on your machine (version 1.12+ is required). Also, make sure to have golangci-lint properly set up since we use it for pre-commit hooks (for instructions on how to install it, check the [official docs](https://golangci-lint.run/usage/install/#local-installation)).
- Fork gomatrix to your GitHub account by clicking the [Fork](https://github.com/matrix-org/gomatrix/fork) button.
- [Clone](https://help.github.com/en/articles/fork-a-repo#step-2-create-a-local-clone-of-your-fork) the main repository (not your fork) to your local machine.
$ git clone https://github.com/matrix-org/gomatrix
$ cd gomatrix
- Add your fork as a remote to push your contributions.Replace
``{username}`` with your username.
git remote add fork https://github.com/{username}/gomatrix
- Create a new branch to identify what feature you are working on.
$ git fetch origin
$ git checkout -b your-branch-name origin/master
- Make your changes, including tests that cover any code changes you make, and run them as described below.
- Execute pre-commit hooks by running
<gomatrix dir>/hooks/pre-commit
- Push your changes to your fork and [create a pull request](https://help.github.com/en/articles/creating-a-pull-request) describing your changes.
$ git push --set-upstream fork your-branch-name
- Finally, create a [pull request](https://docs.github.com/en/github/collaborating-with-issues-and-pull-requests/about-pull-requests)
## How to run tests
You can run the test suite and example code with `$ go test -v`
# Running Coverage
To run coverage, first generate the coverage report using `go test`
go test -v -cover -coverprofile=coverage.out
You can now show the generated report as a html page with `go tool`
go tool cover -html=coverage.out

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// Package gomatrix implements the Matrix Client-Server API.
//
// Specification can be found at http://matrix.org/docs/spec/client_server/r0.2.0.html
package gomatrix
import (
"bytes"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"path"
"strconv"
"strings"
"sync"
"time"
)
// Client represents a Matrix client.
type Client struct {
HomeserverURL *url.URL // The base homeserver URL
Prefix string // The API prefix eg '/_matrix/client/r0'
UserID string // The user ID of the client. Used for forming HTTP paths which use the client's user ID.
AccessToken string // The access_token for the client.
Client *http.Client // The underlying HTTP client which will be used to make HTTP requests.
Syncer Syncer // The thing which can process /sync responses
Store Storer // The thing which can store rooms/tokens/ids
// The ?user_id= query parameter for application services. This must be set *prior* to calling a method. If this is empty,
// no user_id parameter will be sent.
// See http://matrix.org/docs/spec/application_service/unstable.html#identity-assertion
AppServiceUserID string
syncingMutex sync.Mutex // protects syncingID
syncingID uint32 // Identifies the current Sync. Only one Sync can be active at any given time.
}
// HTTPError An HTTP Error response, which may wrap an underlying native Go Error.
type HTTPError struct {
Contents []byte
WrappedError error
Message string
Code int
}
func (e HTTPError) Error() string {
var wrappedErrMsg string
if e.WrappedError != nil {
wrappedErrMsg = e.WrappedError.Error()
}
return fmt.Sprintf("contents=%v msg=%s code=%d wrapped=%s", e.Contents, e.Message, e.Code, wrappedErrMsg)
}
// BuildURL builds a URL with the Client's homeserver/prefix set already.
func (cli *Client) BuildURL(urlPath ...string) string {
ps := append([]string{cli.Prefix}, urlPath...)
return cli.BuildBaseURL(ps...)
}
// BuildBaseURL builds a URL with the Client's homeserver set already. You must
// supply the prefix in the path.
func (cli *Client) BuildBaseURL(urlPath ...string) string {
// copy the URL. Purposefully ignore error as the input is from a valid URL already
hsURL, _ := url.Parse(cli.HomeserverURL.String())
parts := []string{hsURL.Path}
parts = append(parts, urlPath...)
hsURL.Path = path.Join(parts...)
// Manually add the trailing slash back to the end of the path if it's explicitly needed
if strings.HasSuffix(urlPath[len(urlPath)-1], "/") {
hsURL.Path = hsURL.Path + "/"
}
query := hsURL.Query()
if cli.AppServiceUserID != "" {
query.Set("user_id", cli.AppServiceUserID)
}
hsURL.RawQuery = query.Encode()
return hsURL.String()
}
// BuildURLWithQuery builds a URL with query parameters in addition to the Client's homeserver/prefix set already.
func (cli *Client) BuildURLWithQuery(urlPath []string, urlQuery map[string]string) string {
u, _ := url.Parse(cli.BuildURL(urlPath...))
q := u.Query()
for k, v := range urlQuery {
q.Set(k, v)
}
u.RawQuery = q.Encode()
return u.String()
}
// SetCredentials sets the user ID and access token on this client instance.
func (cli *Client) SetCredentials(userID, accessToken string) {
cli.AccessToken = accessToken
cli.UserID = userID
}
// ClearCredentials removes the user ID and access token on this client instance.
func (cli *Client) ClearCredentials() {
cli.AccessToken = ""
cli.UserID = ""
}
// Sync starts syncing with the provided Homeserver. If Sync() is called twice then the first sync will be stopped and the
// error will be nil.
//
// This function will block until a fatal /sync error occurs, so it should almost always be started as a new goroutine.
// Fatal sync errors can be caused by:
// - The failure to create a filter.
// - Client.Syncer.OnFailedSync returning an error in response to a failed sync.
// - Client.Syncer.ProcessResponse returning an error.
// If you wish to continue retrying in spite of these fatal errors, call Sync() again.
func (cli *Client) Sync() error {
// Mark the client as syncing.
// We will keep syncing until the syncing state changes. Either because
// Sync is called or StopSync is called.
syncingID := cli.incrementSyncingID()
nextBatch := cli.Store.LoadNextBatch(cli.UserID)
filterID := cli.Store.LoadFilterID(cli.UserID)
if filterID == "" {
filterJSON := cli.Syncer.GetFilterJSON(cli.UserID)
resFilter, err := cli.CreateFilter(filterJSON)
if err != nil {
return err
}
filterID = resFilter.FilterID
cli.Store.SaveFilterID(cli.UserID, filterID)
}
for {
resSync, err := cli.SyncRequest(30000, nextBatch, filterID, false, "")
if err != nil {
duration, err2 := cli.Syncer.OnFailedSync(resSync, err)
if err2 != nil {
return err2
}
time.Sleep(duration)
continue
}
// Check that the syncing state hasn't changed
// Either because we've stopped syncing or another sync has been started.
// We discard the response from our sync.
if cli.getSyncingID() != syncingID {
return nil
}
// Save the token now *before* processing it. This means it's possible
// to not process some events, but it means that we won't get constantly stuck processing
// a malformed/buggy event which keeps making us panic.
cli.Store.SaveNextBatch(cli.UserID, resSync.NextBatch)
if err = cli.Syncer.ProcessResponse(resSync, nextBatch); err != nil {
return err
}
nextBatch = resSync.NextBatch
}
}
func (cli *Client) incrementSyncingID() uint32 {
cli.syncingMutex.Lock()
defer cli.syncingMutex.Unlock()
cli.syncingID++
return cli.syncingID
}
func (cli *Client) getSyncingID() uint32 {
cli.syncingMutex.Lock()
defer cli.syncingMutex.Unlock()
return cli.syncingID
}
// StopSync stops the ongoing sync started by Sync.
func (cli *Client) StopSync() {
// Advance the syncing state so that any running Syncs will terminate.
cli.incrementSyncingID()
}
// MakeRequest makes a JSON HTTP request to the given URL.
// The response body will be stream decoded into an interface. This will automatically stop if the response
// body is nil.
//
// Returns an error if the response is not 2xx along with the HTTP body bytes if it got that far. This error is
// an HTTPError which includes the returned HTTP status code, byte contents of the response body and possibly a
// RespError as the WrappedError, if the HTTP body could be decoded as a RespError.
func (cli *Client) MakeRequest(method string, httpURL string, reqBody interface{}, resBody interface{}) error {
var req *http.Request
var err error
if reqBody != nil {
buf := new(bytes.Buffer)
if err := json.NewEncoder(buf).Encode(reqBody); err != nil {
return err
}
req, err = http.NewRequest(method, httpURL, buf)
} else {
req, err = http.NewRequest(method, httpURL, nil)
}
if err != nil {
return err
}
req.Header.Set("Content-Type", "application/json")
if cli.AccessToken != "" {
req.Header.Set("Authorization", "Bearer "+cli.AccessToken)
}
res, err := cli.Client.Do(req)
if res != nil {
defer res.Body.Close()
}
if err != nil {
return err
}
if res.StatusCode/100 != 2 { // not 2xx
contents, err := ioutil.ReadAll(res.Body)
if err != nil {
return err
}
var wrap error
var respErr RespError
if _ = json.Unmarshal(contents, &respErr); respErr.ErrCode != "" {
wrap = respErr
}
// If we failed to decode as RespError, don't just drop the HTTP body, include it in the
// HTTP error instead (e.g proxy errors which return HTML).
msg := "Failed to " + method + " JSON to " + req.URL.Path
if wrap == nil {
msg = msg + ": " + string(contents)
}
return HTTPError{
Contents: contents,
Code: res.StatusCode,
Message: msg,
WrappedError: wrap,
}
}
if resBody != nil && res.Body != nil {
return json.NewDecoder(res.Body).Decode(&resBody)
}
return nil
}
// CreateFilter makes an HTTP request according to http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-user-userid-filter
func (cli *Client) CreateFilter(filter json.RawMessage) (resp *RespCreateFilter, err error) {
urlPath := cli.BuildURL("user", cli.UserID, "filter")
err = cli.MakeRequest("POST", urlPath, &filter, &resp)
return
}
// SyncRequest makes an HTTP request according to http://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-sync
func (cli *Client) SyncRequest(timeout int, since, filterID string, fullState bool, setPresence string) (resp *RespSync, err error) {
query := map[string]string{
"timeout": strconv.Itoa(timeout),
}
if since != "" {
query["since"] = since
}
if filterID != "" {
query["filter"] = filterID
}
if setPresence != "" {
query["set_presence"] = setPresence
}
if fullState {
query["full_state"] = "true"
}
urlPath := cli.BuildURLWithQuery([]string{"sync"}, query)
err = cli.MakeRequest("GET", urlPath, nil, &resp)
return
}
func (cli *Client) register(u string, req *ReqRegister) (resp *RespRegister, uiaResp *RespUserInteractive, err error) {
err = cli.MakeRequest("POST", u, req, &resp)
if err != nil {
httpErr, ok := err.(HTTPError)
if !ok { // network error
return
}
if httpErr.Code == 401 {
// body should be RespUserInteractive, if it isn't, fail with the error
err = json.Unmarshal(httpErr.Contents, &uiaResp)
return
}
}
return
}
// Register makes an HTTP request according to http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-register
//
// Registers with kind=user. For kind=guest, see RegisterGuest.
func (cli *Client) Register(req *ReqRegister) (*RespRegister, *RespUserInteractive, error) {
u := cli.BuildURL("register")
return cli.register(u, req)
}
// RegisterGuest makes an HTTP request according to http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-register
// with kind=guest.
//
// For kind=user, see Register.
func (cli *Client) RegisterGuest(req *ReqRegister) (*RespRegister, *RespUserInteractive, error) {
query := map[string]string{
"kind": "guest",
}
u := cli.BuildURLWithQuery([]string{"register"}, query)
return cli.register(u, req)
}
// RegisterDummy performs m.login.dummy registration according to https://matrix.org/docs/spec/client_server/r0.2.0.html#dummy-auth
//
// Only a username and password need to be provided on the ReqRegister struct. Most local/developer homeservers will allow registration
// this way. If the homeserver does not, an error is returned.
//
// This does not set credentials on the client instance. See SetCredentials() instead.
//
// res, err := cli.RegisterDummy(&gomatrix.ReqRegister{
// Username: "alice",
// Password: "wonderland",
// })
// if err != nil {
// panic(err)
// }
// token := res.AccessToken
func (cli *Client) RegisterDummy(req *ReqRegister) (*RespRegister, error) {
res, uia, err := cli.Register(req)
if err != nil && uia == nil {
return nil, err
}
if uia != nil && uia.HasSingleStageFlow("m.login.dummy") {
req.Auth = struct {
Type string `json:"type"`
Session string `json:"session,omitempty"`
}{"m.login.dummy", uia.Session}
res, _, err = cli.Register(req)
if err != nil {
return nil, err
}
}
if res == nil {
return nil, fmt.Errorf("registration failed: does this server support m.login.dummy?")
}
return res, nil
}
// Login a user to the homeserver according to http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-login
// This does not set credentials on this client instance. See SetCredentials() instead.
func (cli *Client) Login(req *ReqLogin) (resp *RespLogin, err error) {
urlPath := cli.BuildURL("login")
err = cli.MakeRequest("POST", urlPath, req, &resp)
return
}
// Logout the current user. See http://matrix.org/docs/spec/client_server/r0.6.0.html#post-matrix-client-r0-logout
// This does not clear the credentials from the client instance. See ClearCredentials() instead.
func (cli *Client) Logout() (resp *RespLogout, err error) {
urlPath := cli.BuildURL("logout")
err = cli.MakeRequest("POST", urlPath, nil, &resp)
return
}
// LogoutAll logs the current user out on all devices. See https://matrix.org/docs/spec/client_server/r0.6.0#post-matrix-client-r0-logout-all
// This does not clear the credentials from the client instance. See ClearCredentails() instead.
func (cli *Client) LogoutAll() (resp *RespLogoutAll, err error) {
urlPath := cli.BuildURL("logout/all")
err = cli.MakeRequest("POST", urlPath, nil, &resp)
return
}
// Versions returns the list of supported Matrix versions on this homeserver. See http://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-versions
func (cli *Client) Versions() (resp *RespVersions, err error) {
urlPath := cli.BuildBaseURL("_matrix", "client", "versions")
err = cli.MakeRequest("GET", urlPath, nil, &resp)
return
}
// PublicRooms returns the list of public rooms on target server. See https://matrix.org/docs/spec/client_server/r0.6.0#get-matrix-client-unstable-publicrooms
func (cli *Client) PublicRooms(limit int, since string, server string) (resp *RespPublicRooms, err error) {
args := map[string]string{}
if limit != 0 {
args["limit"] = strconv.Itoa(limit)
}
if since != "" {
args["since"] = since
}
if server != "" {
args["server"] = server
}
urlPath := cli.BuildURLWithQuery([]string{"publicRooms"}, args)
err = cli.MakeRequest("GET", urlPath, nil, &resp)
return
}
// PublicRoomsFiltered returns a subset of PublicRooms filtered server side.
// See https://matrix.org/docs/spec/client_server/r0.6.0#post-matrix-client-unstable-publicrooms
func (cli *Client) PublicRoomsFiltered(limit int, since string, server string, filter string) (resp *RespPublicRooms, err error) {
content := map[string]string{}
if limit != 0 {
content["limit"] = strconv.Itoa(limit)
}
if since != "" {
content["since"] = since
}
if filter != "" {
content["filter"] = filter
}
var urlPath string
if server == "" {
urlPath = cli.BuildURL("publicRooms")
} else {
urlPath = cli.BuildURLWithQuery([]string{"publicRooms"}, map[string]string{
"server": server,
})
}
err = cli.MakeRequest("POST", urlPath, content, &resp)
return
}
// JoinRoom joins the client to a room ID or alias. See http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-join-roomidoralias
//
// If serverName is specified, this will be added as a query param to instruct the homeserver to join via that server. If content is specified, it will
// be JSON encoded and used as the request body.
func (cli *Client) JoinRoom(roomIDorAlias, serverName string, content interface{}) (resp *RespJoinRoom, err error) {
var urlPath string
if serverName != "" {
urlPath = cli.BuildURLWithQuery([]string{"join", roomIDorAlias}, map[string]string{
"server_name": serverName,
})
} else {
urlPath = cli.BuildURL("join", roomIDorAlias)
}
err = cli.MakeRequest("POST", urlPath, content, &resp)
return
}
// GetDisplayName returns the display name of the user from the specified MXID. See https://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-profile-userid-displayname
func (cli *Client) GetDisplayName(mxid string) (resp *RespUserDisplayName, err error) {
urlPath := cli.BuildURL("profile", mxid, "displayname")
err = cli.MakeRequest("GET", urlPath, nil, &resp)
return
}
// GetOwnDisplayName returns the user's display name. See https://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-profile-userid-displayname
func (cli *Client) GetOwnDisplayName() (resp *RespUserDisplayName, err error) {
urlPath := cli.BuildURL("profile", cli.UserID, "displayname")
err = cli.MakeRequest("GET", urlPath, nil, &resp)
return
}
// SetDisplayName sets the user's profile display name. See http://matrix.org/docs/spec/client_server/r0.2.0.html#put-matrix-client-r0-profile-userid-displayname
func (cli *Client) SetDisplayName(displayName string) (err error) {
urlPath := cli.BuildURL("profile", cli.UserID, "displayname")
s := struct {
DisplayName string `json:"displayname"`
}{displayName}
err = cli.MakeRequest("PUT", urlPath, &s, nil)
return
}
// GetAvatarURL gets the user's avatar URL. See http://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-profile-userid-avatar-url
func (cli *Client) GetAvatarURL() (string, error) {
urlPath := cli.BuildURL("profile", cli.UserID, "avatar_url")
s := struct {
AvatarURL string `json:"avatar_url"`
}{}
err := cli.MakeRequest("GET", urlPath, nil, &s)
if err != nil {
return "", err
}
return s.AvatarURL, nil
}
// SetAvatarURL sets the user's avatar URL. See http://matrix.org/docs/spec/client_server/r0.2.0.html#put-matrix-client-r0-profile-userid-avatar-url
func (cli *Client) SetAvatarURL(url string) error {
urlPath := cli.BuildURL("profile", cli.UserID, "avatar_url")
s := struct {
AvatarURL string `json:"avatar_url"`
}{url}
err := cli.MakeRequest("PUT", urlPath, &s, nil)
if err != nil {
return err
}
return nil
}
// GetStatus returns the status of the user from the specified MXID. See https://matrix.org/docs/spec/client_server/r0.6.0#get-matrix-client-r0-presence-userid-status
func (cli *Client) GetStatus(mxid string) (resp *RespUserStatus, err error) {
urlPath := cli.BuildURL("presence", mxid, "status")
err = cli.MakeRequest("GET", urlPath, nil, &resp)
return
}
// GetOwnStatus returns the user's status. See https://matrix.org/docs/spec/client_server/r0.6.0#get-matrix-client-r0-presence-userid-status
func (cli *Client) GetOwnStatus() (resp *RespUserStatus, err error) {
return cli.GetStatus(cli.UserID)
}
// SetStatus sets the user's status. See https://matrix.org/docs/spec/client_server/r0.6.0#put-matrix-client-r0-presence-userid-status
func (cli *Client) SetStatus(presence, status string) (err error) {
urlPath := cli.BuildURL("presence", cli.UserID, "status")
s := struct {
Presence string `json:"presence"`
StatusMsg string `json:"status_msg"`
}{presence, status}
err = cli.MakeRequest("PUT", urlPath, &s, nil)
return
}
// SendMessageEvent sends a message event into a room. See http://matrix.org/docs/spec/client_server/r0.2.0.html#put-matrix-client-r0-rooms-roomid-send-eventtype-txnid
// contentJSON should be a pointer to something that can be encoded as JSON using json.Marshal.
func (cli *Client) SendMessageEvent(roomID string, eventType string, contentJSON interface{}) (resp *RespSendEvent, err error) {
txnID := txnID()
urlPath := cli.BuildURL("rooms", roomID, "send", eventType, txnID)
err = cli.MakeRequest("PUT", urlPath, contentJSON, &resp)
return
}
// SendStateEvent sends a state event into a room. See http://matrix.org/docs/spec/client_server/r0.2.0.html#put-matrix-client-r0-rooms-roomid-state-eventtype-statekey
// contentJSON should be a pointer to something that can be encoded as JSON using json.Marshal.
func (cli *Client) SendStateEvent(roomID, eventType, stateKey string, contentJSON interface{}) (resp *RespSendEvent, err error) {
urlPath := cli.BuildURL("rooms", roomID, "state", eventType, stateKey)
err = cli.MakeRequest("PUT", urlPath, contentJSON, &resp)
return
}
// SendText sends an m.room.message event into the given room with a msgtype of m.text
// See http://matrix.org/docs/spec/client_server/r0.2.0.html#m-text
func (cli *Client) SendText(roomID, text string) (*RespSendEvent, error) {
return cli.SendMessageEvent(roomID, "m.room.message",
TextMessage{MsgType: "m.text", Body: text})
}
// SendFormattedText sends an m.room.message event into the given room with a msgtype of m.text, supports a subset of HTML for formatting.
// See https://matrix.org/docs/spec/client_server/r0.6.0#m-text
func (cli *Client) SendFormattedText(roomID, text, formattedText string) (*RespSendEvent, error) {
return cli.SendMessageEvent(roomID, "m.room.message",
TextMessage{MsgType: "m.text", Body: text, FormattedBody: formattedText, Format: "org.matrix.custom.html"})
}
// SendImage sends an m.room.message event into the given room with a msgtype of m.image
// See https://matrix.org/docs/spec/client_server/r0.2.0.html#m-image
func (cli *Client) SendImage(roomID, body, url string) (*RespSendEvent, error) {
return cli.SendMessageEvent(roomID, "m.room.message",
ImageMessage{
MsgType: "m.image",
Body: body,
URL: url,
})
}
// SendVideo sends an m.room.message event into the given room with a msgtype of m.video
// See https://matrix.org/docs/spec/client_server/r0.2.0.html#m-video
func (cli *Client) SendVideo(roomID, body, url string) (*RespSendEvent, error) {
return cli.SendMessageEvent(roomID, "m.room.message",
VideoMessage{
MsgType: "m.video",
Body: body,
URL: url,
})
}
// SendNotice sends an m.room.message event into the given room with a msgtype of m.notice
// See http://matrix.org/docs/spec/client_server/r0.2.0.html#m-notice
func (cli *Client) SendNotice(roomID, text string) (*RespSendEvent, error) {
return cli.SendMessageEvent(roomID, "m.room.message",
TextMessage{MsgType: "m.notice", Body: text})
}
// RedactEvent redacts the given event. See http://matrix.org/docs/spec/client_server/r0.2.0.html#put-matrix-client-r0-rooms-roomid-redact-eventid-txnid
func (cli *Client) RedactEvent(roomID, eventID string, req *ReqRedact) (resp *RespSendEvent, err error) {
txnID := txnID()
urlPath := cli.BuildURL("rooms", roomID, "redact", eventID, txnID)
err = cli.MakeRequest("PUT", urlPath, req, &resp)
return
}
// MarkRead marks eventID in roomID as read, signifying the event, and all before it have been read. See https://matrix.org/docs/spec/client_server/r0.6.0#post-matrix-client-r0-rooms-roomid-receipt-receipttype-eventid
func (cli *Client) MarkRead(roomID, eventID string) error {
urlPath := cli.BuildURL("rooms", roomID, "receipt", "m.read", eventID)
return cli.MakeRequest("POST", urlPath, nil, nil)
}
// CreateRoom creates a new Matrix room. See https://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-createroom
// resp, err := cli.CreateRoom(&gomatrix.ReqCreateRoom{
// Preset: "public_chat",
// })
// fmt.Println("Room:", resp.RoomID)
func (cli *Client) CreateRoom(req *ReqCreateRoom) (resp *RespCreateRoom, err error) {
urlPath := cli.BuildURL("createRoom")
err = cli.MakeRequest("POST", urlPath, req, &resp)
return
}
// LeaveRoom leaves the given room. See http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-leave
func (cli *Client) LeaveRoom(roomID string) (resp *RespLeaveRoom, err error) {
u := cli.BuildURL("rooms", roomID, "leave")
err = cli.MakeRequest("POST", u, struct{}{}, &resp)
return
}
// ForgetRoom forgets a room entirely. See http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-forget
func (cli *Client) ForgetRoom(roomID string) (resp *RespForgetRoom, err error) {
u := cli.BuildURL("rooms", roomID, "forget")
err = cli.MakeRequest("POST", u, struct{}{}, &resp)
return
}
// InviteUser invites a user to a room. See http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-invite
func (cli *Client) InviteUser(roomID string, req *ReqInviteUser) (resp *RespInviteUser, err error) {
u := cli.BuildURL("rooms", roomID, "invite")
err = cli.MakeRequest("POST", u, req, &resp)
return
}
// InviteUserByThirdParty invites a third-party identifier to a room. See http://matrix.org/docs/spec/client_server/r0.2.0.html#invite-by-third-party-id-endpoint
func (cli *Client) InviteUserByThirdParty(roomID string, req *ReqInvite3PID) (resp *RespInviteUser, err error) {
u := cli.BuildURL("rooms", roomID, "invite")
err = cli.MakeRequest("POST", u, req, &resp)
return
}
// KickUser kicks a user from a room. See http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-kick
func (cli *Client) KickUser(roomID string, req *ReqKickUser) (resp *RespKickUser, err error) {
u := cli.BuildURL("rooms", roomID, "kick")
err = cli.MakeRequest("POST", u, req, &resp)
return
}
// BanUser bans a user from a room. See http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-ban
func (cli *Client) BanUser(roomID string, req *ReqBanUser) (resp *RespBanUser, err error) {
u := cli.BuildURL("rooms", roomID, "ban")
err = cli.MakeRequest("POST", u, req, &resp)
return
}
// UnbanUser unbans a user from a room. See http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-unban
func (cli *Client) UnbanUser(roomID string, req *ReqUnbanUser) (resp *RespUnbanUser, err error) {
u := cli.BuildURL("rooms", roomID, "unban")
err = cli.MakeRequest("POST", u, req, &resp)
return
}
// UserTyping sets the typing status of the user. See https://matrix.org/docs/spec/client_server/r0.2.0.html#put-matrix-client-r0-rooms-roomid-typing-userid
func (cli *Client) UserTyping(roomID string, typing bool, timeout int64) (resp *RespTyping, err error) {
req := ReqTyping{Typing: typing, Timeout: timeout}
u := cli.BuildURL("rooms", roomID, "typing", cli.UserID)
err = cli.MakeRequest("PUT", u, req, &resp)
return
}
// StateEvent gets a single state event in a room. It will attempt to JSON unmarshal into the given "outContent" struct with
// the HTTP response body, or return an error.
// See http://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-rooms-roomid-state-eventtype-statekey
func (cli *Client) StateEvent(roomID, eventType, stateKey string, outContent interface{}) (err error) {
u := cli.BuildURL("rooms", roomID, "state", eventType, stateKey)
err = cli.MakeRequest("GET", u, nil, outContent)
return
}
// UploadLink uploads an HTTP URL and then returns an MXC URI.
func (cli *Client) UploadLink(link string) (*RespMediaUpload, error) {
res, err := cli.Client.Get(link)
if res != nil {
defer res.Body.Close()
}
if err != nil {
return nil, err
}
return cli.UploadToContentRepo(res.Body, res.Header.Get("Content-Type"), res.ContentLength)
}
// UploadToContentRepo uploads the given bytes to the content repository and returns an MXC URI.
// See http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-media-r0-upload
func (cli *Client) UploadToContentRepo(content io.Reader, contentType string, contentLength int64) (*RespMediaUpload, error) {
req, err := http.NewRequest("POST", cli.BuildBaseURL("_matrix/media/r0/upload"), content)
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", contentType)
req.Header.Set("Authorization", "Bearer "+cli.AccessToken)
req.ContentLength = contentLength
res, err := cli.Client.Do(req)
if res != nil {
defer res.Body.Close()
}
if err != nil {
return nil, err
}
if res.StatusCode != 200 {
contents, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, HTTPError{
Message: "Upload request failed - Failed to read response body: " + err.Error(),
Code: res.StatusCode,
}
}
return nil, HTTPError{
Contents: contents,
Message: "Upload request failed: " + string(contents),
Code: res.StatusCode,
}
}
var m RespMediaUpload
if err := json.NewDecoder(res.Body).Decode(&m); err != nil {
return nil, err
}
return &m, nil
}
// JoinedMembers returns a map of joined room members. See TODO-SPEC. https://github.com/matrix-org/synapse/pull/1680
//
// In general, usage of this API is discouraged in favour of /sync, as calling this API can race with incoming membership changes.
// This API is primarily designed for application services which may want to efficiently look up joined members in a room.
func (cli *Client) JoinedMembers(roomID string) (resp *RespJoinedMembers, err error) {
u := cli.BuildURL("rooms", roomID, "joined_members")
err = cli.MakeRequest("GET", u, nil, &resp)
return
}
// JoinedRooms returns a list of rooms which the client is joined to. See TODO-SPEC. https://github.com/matrix-org/synapse/pull/1680
//
// In general, usage of this API is discouraged in favour of /sync, as calling this API can race with incoming membership changes.
// This API is primarily designed for application services which may want to efficiently look up joined rooms.
func (cli *Client) JoinedRooms() (resp *RespJoinedRooms, err error) {
u := cli.BuildURL("joined_rooms")
err = cli.MakeRequest("GET", u, nil, &resp)
return
}
// Messages returns a list of message and state events for a room. It uses
// pagination query parameters to paginate history in the room.
// See https://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-rooms-roomid-messages
func (cli *Client) Messages(roomID, from, to string, dir rune, limit int) (resp *RespMessages, err error) {
query := map[string]string{
"from": from,
"dir": string(dir),
}
if to != "" {
query["to"] = to
}
if limit != 0 {
query["limit"] = strconv.Itoa(limit)
}
urlPath := cli.BuildURLWithQuery([]string{"rooms", roomID, "messages"}, query)
err = cli.MakeRequest("GET", urlPath, nil, &resp)
return
}
// TurnServer returns turn server details and credentials for the client to use when initiating calls.
// See http://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-voip-turnserver
func (cli *Client) TurnServer() (resp *RespTurnServer, err error) {
urlPath := cli.BuildURL("voip", "turnServer")
err = cli.MakeRequest("GET", urlPath, nil, &resp)
return
}
func txnID() string {
return "go" + strconv.FormatInt(time.Now().UnixNano(), 10)
}
// NewClient creates a new Matrix Client ready for syncing
func NewClient(homeserverURL, userID, accessToken string) (*Client, error) {
hsURL, err := url.Parse(homeserverURL)
if err != nil {
return nil, err
}
// By default, use an in-memory store which will never save filter ids / next batch tokens to disk.
// The client will work with this storer: it just won't remember across restarts.
// In practice, a database backend should be used.
store := NewInMemoryStore()
cli := Client{
AccessToken: accessToken,
HomeserverURL: hsURL,
UserID: userID,
Prefix: "/_matrix/client/r0",
Syncer: NewDefaultSyncer(userID, store),
Store: store,
}
// By default, use the default HTTP client.
cli.Client = http.DefaultClient
return &cli, nil
}

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@@ -1,157 +0,0 @@
package gomatrix
import (
"html"
"regexp"
)
// Event represents a single Matrix event.
type Event struct {
StateKey *string `json:"state_key,omitempty"` // The state key for the event. Only present on State Events.
Sender string `json:"sender"` // The user ID of the sender of the event
Type string `json:"type"` // The event type
Timestamp int64 `json:"origin_server_ts"` // The unix timestamp when this message was sent by the origin server
ID string `json:"event_id"` // The unique ID of this event
RoomID string `json:"room_id"` // The room the event was sent to. May be nil (e.g. for presence)
Redacts string `json:"redacts,omitempty"` // The event ID that was redacted if a m.room.redaction event
Unsigned map[string]interface{} `json:"unsigned"` // The unsigned portions of the event, such as age and prev_content
Content map[string]interface{} `json:"content"` // The JSON content of the event.
PrevContent map[string]interface{} `json:"prev_content,omitempty"` // The JSON prev_content of the event.
}
// Body returns the value of the "body" key in the event content if it is
// present and is a string.
func (event *Event) Body() (body string, ok bool) {
value, exists := event.Content["body"]
if !exists {
return
}
body, ok = value.(string)
return
}
// MessageType returns the value of the "msgtype" key in the event content if
// it is present and is a string.
func (event *Event) MessageType() (msgtype string, ok bool) {
value, exists := event.Content["msgtype"]
if !exists {
return
}
msgtype, ok = value.(string)
return
}
// TextMessage is the contents of a Matrix formated message event.
type TextMessage struct {
MsgType string `json:"msgtype"`
Body string `json:"body"`
FormattedBody string `json:"formatted_body"`
Format string `json:"format"`
}
// ThumbnailInfo contains info about an thumbnail image - http://matrix.org/docs/spec/client_server/r0.2.0.html#m-image
type ThumbnailInfo struct {
Height uint `json:"h,omitempty"`
Width uint `json:"w,omitempty"`
Mimetype string `json:"mimetype,omitempty"`
Size uint `json:"size,omitempty"`
}
// ImageInfo contains info about an image - http://matrix.org/docs/spec/client_server/r0.2.0.html#m-image
type ImageInfo struct {
Height uint `json:"h,omitempty"`
Width uint `json:"w,omitempty"`
Mimetype string `json:"mimetype,omitempty"`
Size uint `json:"size,omitempty"`
ThumbnailInfo ThumbnailInfo `json:"thumbnail_info,omitempty"`
ThumbnailURL string `json:"thumbnail_url,omitempty"`
}
// VideoInfo contains info about a video - http://matrix.org/docs/spec/client_server/r0.2.0.html#m-video
type VideoInfo struct {
Mimetype string `json:"mimetype,omitempty"`
ThumbnailInfo ThumbnailInfo `json:"thumbnail_info"`
ThumbnailURL string `json:"thumbnail_url,omitempty"`
Height uint `json:"h,omitempty"`
Width uint `json:"w,omitempty"`
Duration uint `json:"duration,omitempty"`
Size uint `json:"size,omitempty"`
}
// VideoMessage is an m.video - http://matrix.org/docs/spec/client_server/r0.2.0.html#m-video
type VideoMessage struct {
MsgType string `json:"msgtype"`
Body string `json:"body"`
URL string `json:"url"`
Info VideoInfo `json:"info"`
}
// ImageMessage is an m.image event
type ImageMessage struct {
MsgType string `json:"msgtype"`
Body string `json:"body"`
URL string `json:"url"`
Info ImageInfo `json:"info"`
}
// An HTMLMessage is the contents of a Matrix HTML formated message event.
type HTMLMessage struct {
Body string `json:"body"`
MsgType string `json:"msgtype"`
Format string `json:"format"`
FormattedBody string `json:"formatted_body"`
}
// FileInfo contains info about an file - http://matrix.org/docs/spec/client_server/r0.2.0.html#m-file
type FileInfo struct {
Mimetype string `json:"mimetype,omitempty"`
Size uint `json:"size,omitempty"` //filesize in bytes
}
// FileMessage is an m.file event - http://matrix.org/docs/spec/client_server/r0.2.0.html#m-file
type FileMessage struct {
MsgType string `json:"msgtype"`
Body string `json:"body"`
URL string `json:"url"`
Filename string `json:"filename"`
Info FileInfo `json:"info,omitempty"`
ThumbnailURL string `json:"thumbnail_url,omitempty"`
ThumbnailInfo ImageInfo `json:"thumbnail_info,omitempty"`
}
// LocationMessage is an m.location event - http://matrix.org/docs/spec/client_server/r0.2.0.html#m-location
type LocationMessage struct {
MsgType string `json:"msgtype"`
Body string `json:"body"`
GeoURI string `json:"geo_uri"`
ThumbnailURL string `json:"thumbnail_url,omitempty"`
ThumbnailInfo ImageInfo `json:"thumbnail_info,omitempty"`
}
// AudioInfo contains info about an file - http://matrix.org/docs/spec/client_server/r0.2.0.html#m-audio
type AudioInfo struct {
Mimetype string `json:"mimetype,omitempty"`
Size uint `json:"size,omitempty"` //filesize in bytes
Duration uint `json:"duration,omitempty"` //audio duration in ms
}
// AudioMessage is an m.audio event - http://matrix.org/docs/spec/client_server/r0.2.0.html#m-audio
type AudioMessage struct {
MsgType string `json:"msgtype"`
Body string `json:"body"`
URL string `json:"url"`
Info AudioInfo `json:"info,omitempty"`
}
var htmlRegex = regexp.MustCompile("<[^<]+?>")
// GetHTMLMessage returns an HTMLMessage with the body set to a stripped version of the provided HTML, in addition
// to the provided HTML.
func GetHTMLMessage(msgtype, htmlText string) HTMLMessage {
return HTMLMessage{
Body: html.UnescapeString(htmlRegex.ReplaceAllLiteralString(htmlText, "")),
MsgType: msgtype,
Format: "org.matrix.custom.html",
FormattedBody: htmlText,
}
}

View File

@@ -1,90 +0,0 @@
// Copyright 2017 Jan Christian Grünhage
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package gomatrix
import "errors"
//Filter is used by clients to specify how the server should filter responses to e.g. sync requests
//Specified by: https://matrix.org/docs/spec/client_server/r0.2.0.html#filtering
type Filter struct {
AccountData FilterPart `json:"account_data,omitempty"`
EventFields []string `json:"event_fields,omitempty"`
EventFormat string `json:"event_format,omitempty"`
Presence FilterPart `json:"presence,omitempty"`
Room RoomFilter `json:"room,omitempty"`
}
// RoomFilter is used to define filtering rules for room events
type RoomFilter struct {
AccountData FilterPart `json:"account_data,omitempty"`
Ephemeral FilterPart `json:"ephemeral,omitempty"`
IncludeLeave bool `json:"include_leave,omitempty"`
NotRooms []string `json:"not_rooms,omitempty"`
Rooms []string `json:"rooms,omitempty"`
State FilterPart `json:"state,omitempty"`
Timeline FilterPart `json:"timeline,omitempty"`
}
// FilterPart is used to define filtering rules for specific categories of events
type FilterPart struct {
NotRooms []string `json:"not_rooms,omitempty"`
Rooms []string `json:"rooms,omitempty"`
Limit int `json:"limit,omitempty"`
NotSenders []string `json:"not_senders,omitempty"`
NotTypes []string `json:"not_types,omitempty"`
Senders []string `json:"senders,omitempty"`
Types []string `json:"types,omitempty"`
ContainsURL *bool `json:"contains_url,omitempty"`
}
// Validate checks if the filter contains valid property values
func (filter *Filter) Validate() error {
if filter.EventFormat != "client" && filter.EventFormat != "federation" {
return errors.New("Bad event_format value. Must be one of [\"client\", \"federation\"]")
}
return nil
}
// DefaultFilter returns the default filter used by the Matrix server if no filter is provided in the request
func DefaultFilter() Filter {
return Filter{
AccountData: DefaultFilterPart(),
EventFields: nil,
EventFormat: "client",
Presence: DefaultFilterPart(),
Room: RoomFilter{
AccountData: DefaultFilterPart(),
Ephemeral: DefaultFilterPart(),
IncludeLeave: false,
NotRooms: nil,
Rooms: nil,
State: DefaultFilterPart(),
Timeline: DefaultFilterPart(),
},
}
}
// DefaultFilterPart returns the default filter part used by the Matrix server if no filter is provided in the request
func DefaultFilterPart() FilterPart {
return FilterPart{
NotRooms: nil,
Rooms: nil,
Limit: 20,
NotSenders: nil,
NotTypes: nil,
Senders: nil,
Types: nil,
}
}

View File

@@ -1,69 +0,0 @@
package gomatrix
// Identifier is the interface for https://matrix.org/docs/spec/client_server/r0.6.0#identifier-types
type Identifier interface {
// Returns the identifier type
// https://matrix.org/docs/spec/client_server/r0.6.0#identifier-types
Type() string
}
// UserIdentifier is the Identifier for https://matrix.org/docs/spec/client_server/r0.6.0#matrix-user-id
type UserIdentifier struct {
IDType string `json:"type"` // Set by NewUserIdentifer
User string `json:"user"`
}
// Type implements the Identifier interface
func (i UserIdentifier) Type() string {
return "m.id.user"
}
// NewUserIdentifier creates a new UserIdentifier with IDType set to "m.id.user"
func NewUserIdentifier(user string) UserIdentifier {
return UserIdentifier{
IDType: "m.id.user",
User: user,
}
}
// ThirdpartyIdentifier is the Identifier for https://matrix.org/docs/spec/client_server/r0.6.0#third-party-id
type ThirdpartyIdentifier struct {
IDType string `json:"type"` // Set by NewThirdpartyIdentifier
Medium string `json:"medium"`
Address string `json:"address"`
}
// Type implements the Identifier interface
func (i ThirdpartyIdentifier) Type() string {
return "m.id.thirdparty"
}
// NewThirdpartyIdentifier creates a new UserIdentifier with IDType set to "m.id.user"
func NewThirdpartyIdentifier(medium, address string) ThirdpartyIdentifier {
return ThirdpartyIdentifier{
IDType: "m.id.thirdparty",
Medium: medium,
Address: address,
}
}
// PhoneIdentifier is the Identifier for https://matrix.org/docs/spec/client_server/r0.6.0#phone-number
type PhoneIdentifier struct {
IDType string `json:"type"` // Set by NewPhoneIdentifier
Country string `json:"country"`
Phone string `json:"phone"`
}
// Type implements the Identifier interface
func (i PhoneIdentifier) Type() string {
return "m.id.phone"
}
// NewPhoneIdentifier creates a new UserIdentifier with IDType set to "m.id.user"
func NewPhoneIdentifier(country, phone string) PhoneIdentifier {
return PhoneIdentifier{
IDType: "m.id.phone",
Country: country,
Phone: phone,
}
}

View File

@@ -1,79 +0,0 @@
package gomatrix
// ReqRegister is the JSON request for http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-register
type ReqRegister struct {
Username string `json:"username,omitempty"`
BindEmail bool `json:"bind_email,omitempty"`
Password string `json:"password,omitempty"`
DeviceID string `json:"device_id,omitempty"`
InitialDeviceDisplayName string `json:"initial_device_display_name"`
Auth interface{} `json:"auth,omitempty"`
}
// ReqLogin is the JSON request for http://matrix.org/docs/spec/client_server/r0.6.0.html#post-matrix-client-r0-login
type ReqLogin struct {
Type string `json:"type"`
Identifier Identifier `json:"identifier,omitempty"`
Password string `json:"password,omitempty"`
Medium string `json:"medium,omitempty"`
User string `json:"user,omitempty"`
Address string `json:"address,omitempty"`
Token string `json:"token,omitempty"`
DeviceID string `json:"device_id,omitempty"`
InitialDeviceDisplayName string `json:"initial_device_display_name,omitempty"`
}
// ReqCreateRoom is the JSON request for https://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-createroom
type ReqCreateRoom struct {
Visibility string `json:"visibility,omitempty"`
RoomAliasName string `json:"room_alias_name,omitempty"`
Name string `json:"name,omitempty"`
Topic string `json:"topic,omitempty"`
Invite []string `json:"invite,omitempty"`
Invite3PID []ReqInvite3PID `json:"invite_3pid,omitempty"`
CreationContent map[string]interface{} `json:"creation_content,omitempty"`
InitialState []Event `json:"initial_state,omitempty"`
Preset string `json:"preset,omitempty"`
IsDirect bool `json:"is_direct,omitempty"`
}
// ReqRedact is the JSON request for http://matrix.org/docs/spec/client_server/r0.2.0.html#put-matrix-client-r0-rooms-roomid-redact-eventid-txnid
type ReqRedact struct {
Reason string `json:"reason,omitempty"`
}
// ReqInvite3PID is the JSON request for https://matrix.org/docs/spec/client_server/r0.2.0.html#id57
// It is also a JSON object used in https://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-createroom
type ReqInvite3PID struct {
IDServer string `json:"id_server"`
Medium string `json:"medium"`
Address string `json:"address"`
}
// ReqInviteUser is the JSON request for http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-invite
type ReqInviteUser struct {
UserID string `json:"user_id"`
}
// ReqKickUser is the JSON request for http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-kick
type ReqKickUser struct {
Reason string `json:"reason,omitempty"`
UserID string `json:"user_id"`
}
// ReqBanUser is the JSON request for http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-ban
type ReqBanUser struct {
Reason string `json:"reason,omitempty"`
UserID string `json:"user_id"`
}
// ReqUnbanUser is the JSON request for http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-unban
type ReqUnbanUser struct {
UserID string `json:"user_id"`
}
// ReqTyping is the JSON request for https://matrix.org/docs/spec/client_server/r0.2.0.html#put-matrix-client-r0-rooms-roomid-typing-userid
type ReqTyping struct {
Typing bool `json:"typing"`
Timeout int64 `json:"timeout"`
}

View File

@@ -1,210 +0,0 @@
package gomatrix
// RespError is the standard JSON error response from Homeservers. It also implements the Golang "error" interface.
// See http://matrix.org/docs/spec/client_server/r0.2.0.html#api-standards
type RespError struct {
ErrCode string `json:"errcode"`
Err string `json:"error"`
}
// Error returns the errcode and error message.
func (e RespError) Error() string {
return e.ErrCode + ": " + e.Err
}
// RespCreateFilter is the JSON response for http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-user-userid-filter
type RespCreateFilter struct {
FilterID string `json:"filter_id"`
}
// RespVersions is the JSON response for http://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-versions
type RespVersions struct {
Versions []string `json:"versions"`
}
// RespPublicRooms is the JSON response for http://matrix.org/speculator/spec/HEAD/client_server/unstable.html#get-matrix-client-unstable-publicrooms
type RespPublicRooms struct {
TotalRoomCountEstimate int `json:"total_room_count_estimate"`
PrevBatch string `json:"prev_batch"`
NextBatch string `json:"next_batch"`
Chunk []PublicRoom `json:"chunk"`
}
// RespJoinRoom is the JSON response for http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-join
type RespJoinRoom struct {
RoomID string `json:"room_id"`
}
// RespLeaveRoom is the JSON response for http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-leave
type RespLeaveRoom struct{}
// RespForgetRoom is the JSON response for http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-forget
type RespForgetRoom struct{}
// RespInviteUser is the JSON response for http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-invite
type RespInviteUser struct{}
// RespKickUser is the JSON response for http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-kick
type RespKickUser struct{}
// RespBanUser is the JSON response for http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-ban
type RespBanUser struct{}
// RespUnbanUser is the JSON response for http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-unban
type RespUnbanUser struct{}
// RespTyping is the JSON response for https://matrix.org/docs/spec/client_server/r0.2.0.html#put-matrix-client-r0-rooms-roomid-typing-userid
type RespTyping struct{}
// RespJoinedRooms is the JSON response for TODO-SPEC https://github.com/matrix-org/synapse/pull/1680
type RespJoinedRooms struct {
JoinedRooms []string `json:"joined_rooms"`
}
// RespJoinedMembers is the JSON response for TODO-SPEC https://github.com/matrix-org/synapse/pull/1680
type RespJoinedMembers struct {
Joined map[string]struct {
DisplayName *string `json:"display_name"`
AvatarURL *string `json:"avatar_url"`
} `json:"joined"`
}
// RespMessages is the JSON response for https://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-rooms-roomid-messages
type RespMessages struct {
Start string `json:"start"`
Chunk []Event `json:"chunk"`
End string `json:"end"`
}
// RespSendEvent is the JSON response for http://matrix.org/docs/spec/client_server/r0.2.0.html#put-matrix-client-r0-rooms-roomid-send-eventtype-txnid
type RespSendEvent struct {
EventID string `json:"event_id"`
}
// RespMediaUpload is the JSON response for http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-media-r0-upload
type RespMediaUpload struct {
ContentURI string `json:"content_uri"`
}
// RespUserInteractive is the JSON response for https://matrix.org/docs/spec/client_server/r0.2.0.html#user-interactive-authentication-api
type RespUserInteractive struct {
Flows []struct {
Stages []string `json:"stages"`
} `json:"flows"`
Params map[string]interface{} `json:"params"`
Session string `json:"session"`
Completed []string `json:"completed"`
ErrCode string `json:"errcode"`
Error string `json:"error"`
}
// HasSingleStageFlow returns true if there exists at least 1 Flow with a single stage of stageName.
func (r RespUserInteractive) HasSingleStageFlow(stageName string) bool {
for _, f := range r.Flows {
if len(f.Stages) == 1 && f.Stages[0] == stageName {
return true
}
}
return false
}
// RespUserDisplayName is the JSON response for https://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-profile-userid-displayname
type RespUserDisplayName struct {
DisplayName string `json:"displayname"`
}
// RespUserStatus is the JSON response for https://matrix.org/docs/spec/client_server/r0.6.0#get-matrix-client-r0-presence-userid-status
type RespUserStatus struct {
Presence string `json:"presence"`
StatusMsg string `json:"status_msg"`
LastActiveAgo int `json:"last_active_ago"`
CurrentlyActive bool `json:"currently_active"`
}
// RespRegister is the JSON response for http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-register
type RespRegister struct {
AccessToken string `json:"access_token"`
DeviceID string `json:"device_id"`
HomeServer string `json:"home_server"`
RefreshToken string `json:"refresh_token"`
UserID string `json:"user_id"`
}
// RespLogin is the JSON response for http://matrix.org/docs/spec/client_server/r0.6.0.html#post-matrix-client-r0-login
type RespLogin struct {
AccessToken string `json:"access_token"`
DeviceID string `json:"device_id"`
HomeServer string `json:"home_server"`
UserID string `json:"user_id"`
WellKnown DiscoveryInformation `json:"well_known"`
}
// DiscoveryInformation is the JSON Response for https://matrix.org/docs/spec/client_server/r0.6.0#get-well-known-matrix-client and a part of the JSON Response for https://matrix.org/docs/spec/client_server/r0.6.0#post-matrix-client-r0-login
type DiscoveryInformation struct {
Homeserver struct {
BaseURL string `json:"base_url"`
} `json:"m.homeserver"`
IdentityServer struct {
BaseURL string `json:"base_url"`
} `json:"m.identitiy_server"`
}
// RespLogout is the JSON response for http://matrix.org/docs/spec/client_server/r0.6.0.html#post-matrix-client-r0-logout
type RespLogout struct{}
// RespLogoutAll is the JSON response for https://matrix.org/docs/spec/client_server/r0.6.0#post-matrix-client-r0-logout-all
type RespLogoutAll struct{}
// RespCreateRoom is the JSON response for https://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-createroom
type RespCreateRoom struct {
RoomID string `json:"room_id"`
}
// RespSync is the JSON response for http://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-sync
type RespSync struct {
NextBatch string `json:"next_batch"`
AccountData struct {
Events []Event `json:"events"`
} `json:"account_data"`
Presence struct {
Events []Event `json:"events"`
} `json:"presence"`
Rooms struct {
Leave map[string]struct {
State struct {
Events []Event `json:"events"`
} `json:"state"`
Timeline struct {
Events []Event `json:"events"`
Limited bool `json:"limited"`
PrevBatch string `json:"prev_batch"`
} `json:"timeline"`
} `json:"leave"`
Join map[string]struct {
State struct {
Events []Event `json:"events"`
} `json:"state"`
Timeline struct {
Events []Event `json:"events"`
Limited bool `json:"limited"`
PrevBatch string `json:"prev_batch"`
} `json:"timeline"`
Ephemeral struct {
Events []Event `json:"events"`
} `json:"ephemeral"`
} `json:"join"`
Invite map[string]struct {
State struct {
Events []Event
} `json:"invite_state"`
} `json:"invite"`
} `json:"rooms"`
}
// RespTurnServer is the JSON response from a Turn Server
type RespTurnServer struct {
Username string `json:"username"`
Password string `json:"password"`
TTL int `json:"ttl"`
URIs []string `json:"uris"`
}

View File

@@ -1,63 +0,0 @@
package gomatrix
// Room represents a single Matrix room.
type Room struct {
ID string
State map[string]map[string]*Event
}
// PublicRoom represents the information about a public room obtainable from the room directory
type PublicRoom struct {
CanonicalAlias string `json:"canonical_alias"`
Name string `json:"name"`
WorldReadable bool `json:"world_readable"`
Topic string `json:"topic"`
NumJoinedMembers int `json:"num_joined_members"`
AvatarURL string `json:"avatar_url"`
RoomID string `json:"room_id"`
GuestCanJoin bool `json:"guest_can_join"`
Aliases []string `json:"aliases"`
}
// UpdateState updates the room's current state with the given Event. This will clobber events based
// on the type/state_key combination.
func (room Room) UpdateState(event *Event) {
_, exists := room.State[event.Type]
if !exists {
room.State[event.Type] = make(map[string]*Event)
}
room.State[event.Type][*event.StateKey] = event
}
// GetStateEvent returns the state event for the given type/state_key combo, or nil.
func (room Room) GetStateEvent(eventType string, stateKey string) *Event {
stateEventMap := room.State[eventType]
event := stateEventMap[stateKey]
return event
}
// GetMembershipState returns the membership state of the given user ID in this room. If there is
// no entry for this member, 'leave' is returned for consistency with left users.
func (room Room) GetMembershipState(userID string) string {
state := "leave"
event := room.GetStateEvent("m.room.member", userID)
if event != nil {
membershipState, found := event.Content["membership"]
if found {
mState, isString := membershipState.(string)
if isString {
state = mState
}
}
}
return state
}
// NewRoom creates a new Room with the given ID
func NewRoom(roomID string) *Room {
// Init the State map and return a pointer to the Room
return &Room{
ID: roomID,
State: make(map[string]map[string]*Event),
}
}

View File

@@ -1,65 +0,0 @@
package gomatrix
// Storer is an interface which must be satisfied to store client data.
//
// You can either write a struct which persists this data to disk, or you can use the
// provided "InMemoryStore" which just keeps data around in-memory which is lost on
// restarts.
type Storer interface {
SaveFilterID(userID, filterID string)
LoadFilterID(userID string) string
SaveNextBatch(userID, nextBatchToken string)
LoadNextBatch(userID string) string
SaveRoom(room *Room)
LoadRoom(roomID string) *Room
}
// InMemoryStore implements the Storer interface.
//
// Everything is persisted in-memory as maps. It is not safe to load/save filter IDs
// or next batch tokens on any goroutine other than the syncing goroutine: the one
// which called Client.Sync().
type InMemoryStore struct {
Filters map[string]string
NextBatch map[string]string
Rooms map[string]*Room
}
// SaveFilterID to memory.
func (s *InMemoryStore) SaveFilterID(userID, filterID string) {
s.Filters[userID] = filterID
}
// LoadFilterID from memory.
func (s *InMemoryStore) LoadFilterID(userID string) string {
return s.Filters[userID]
}
// SaveNextBatch to memory.
func (s *InMemoryStore) SaveNextBatch(userID, nextBatchToken string) {
s.NextBatch[userID] = nextBatchToken
}
// LoadNextBatch from memory.
func (s *InMemoryStore) LoadNextBatch(userID string) string {
return s.NextBatch[userID]
}
// SaveRoom to memory.
func (s *InMemoryStore) SaveRoom(room *Room) {
s.Rooms[room.ID] = room
}
// LoadRoom from memory.
func (s *InMemoryStore) LoadRoom(roomID string) *Room {
return s.Rooms[roomID]
}
// NewInMemoryStore constructs a new InMemoryStore.
func NewInMemoryStore() *InMemoryStore {
return &InMemoryStore{
Filters: make(map[string]string),
NextBatch: make(map[string]string),
Rooms: make(map[string]*Room),
}
}

View File

@@ -1,168 +0,0 @@
package gomatrix
import (
"encoding/json"
"fmt"
"runtime/debug"
"time"
)
// Syncer represents an interface that must be satisfied in order to do /sync requests on a client.
type Syncer interface {
// Process the /sync response. The since parameter is the since= value that was used to produce the response.
// This is useful for detecting the very first sync (since=""). If an error is return, Syncing will be stopped
// permanently.
ProcessResponse(resp *RespSync, since string) error
// OnFailedSync returns either the time to wait before retrying or an error to stop syncing permanently.
OnFailedSync(res *RespSync, err error) (time.Duration, error)
// GetFilterJSON for the given user ID. NOT the filter ID.
GetFilterJSON(userID string) json.RawMessage
}
// DefaultSyncer is the default syncing implementation. You can either write your own syncer, or selectively
// replace parts of this default syncer (e.g. the ProcessResponse method). The default syncer uses the observer
// pattern to notify callers about incoming events. See DefaultSyncer.OnEventType for more information.
type DefaultSyncer struct {
UserID string
Store Storer
listeners map[string][]OnEventListener // event type to listeners array
}
// OnEventListener can be used with DefaultSyncer.OnEventType to be informed of incoming events.
type OnEventListener func(*Event)
// NewDefaultSyncer returns an instantiated DefaultSyncer
func NewDefaultSyncer(userID string, store Storer) *DefaultSyncer {
return &DefaultSyncer{
UserID: userID,
Store: store,
listeners: make(map[string][]OnEventListener),
}
}
// ProcessResponse processes the /sync response in a way suitable for bots. "Suitable for bots" means a stream of
// unrepeating events. Returns a fatal error if a listener panics.
func (s *DefaultSyncer) ProcessResponse(res *RespSync, since string) (err error) {
if !s.shouldProcessResponse(res, since) {
return
}
defer func() {
if r := recover(); r != nil {
err = fmt.Errorf("ProcessResponse panicked! userID=%s since=%s panic=%s\n%s", s.UserID, since, r, debug.Stack())
}
}()
for roomID, roomData := range res.Rooms.Join {
room := s.getOrCreateRoom(roomID)
for _, event := range roomData.State.Events {
event.RoomID = roomID
room.UpdateState(&event)
s.notifyListeners(&event)
}
for _, event := range roomData.Timeline.Events {
event.RoomID = roomID
s.notifyListeners(&event)
}
for _, event := range roomData.Ephemeral.Events {
event.RoomID = roomID
s.notifyListeners(&event)
}
}
for roomID, roomData := range res.Rooms.Invite {
room := s.getOrCreateRoom(roomID)
for _, event := range roomData.State.Events {
event.RoomID = roomID
room.UpdateState(&event)
s.notifyListeners(&event)
}
}
for roomID, roomData := range res.Rooms.Leave {
room := s.getOrCreateRoom(roomID)
for _, event := range roomData.Timeline.Events {
if event.StateKey != nil {
event.RoomID = roomID
room.UpdateState(&event)
s.notifyListeners(&event)
}
}
}
return
}
// OnEventType allows callers to be notified when there are new events for the given event type.
// There are no duplicate checks.
func (s *DefaultSyncer) OnEventType(eventType string, callback OnEventListener) {
_, exists := s.listeners[eventType]
if !exists {
s.listeners[eventType] = []OnEventListener{}
}
s.listeners[eventType] = append(s.listeners[eventType], callback)
}
// shouldProcessResponse returns true if the response should be processed. May modify the response to remove
// stuff that shouldn't be processed.
func (s *DefaultSyncer) shouldProcessResponse(resp *RespSync, since string) bool {
if since == "" {
return false
}
// This is a horrible hack because /sync will return the most recent messages for a room
// as soon as you /join it. We do NOT want to process those events in that particular room
// because they may have already been processed (if you toggle the bot in/out of the room).
//
// Work around this by inspecting each room's timeline and seeing if an m.room.member event for us
// exists and is "join" and then discard processing that room entirely if so.
// TODO: We probably want to process messages from after the last join event in the timeline.
for roomID, roomData := range resp.Rooms.Join {
for i := len(roomData.Timeline.Events) - 1; i >= 0; i-- {
e := roomData.Timeline.Events[i]
if e.Type == "m.room.member" && e.StateKey != nil && *e.StateKey == s.UserID {
m := e.Content["membership"]
mship, ok := m.(string)
if !ok {
continue
}
if mship == "join" {
_, ok := resp.Rooms.Join[roomID]
if !ok {
continue
}
delete(resp.Rooms.Join, roomID) // don't re-process messages
delete(resp.Rooms.Invite, roomID) // don't re-process invites
break
}
}
}
}
return true
}
// getOrCreateRoom must only be called by the Sync() goroutine which calls ProcessResponse()
func (s *DefaultSyncer) getOrCreateRoom(roomID string) *Room {
room := s.Store.LoadRoom(roomID)
if room == nil { // create a new Room
room = NewRoom(roomID)
s.Store.SaveRoom(room)
}
return room
}
func (s *DefaultSyncer) notifyListeners(event *Event) {
listeners, exists := s.listeners[event.Type]
if !exists {
return
}
for _, fn := range listeners {
fn(event)
}
}
// OnFailedSync always returns a 10 second wait period between failed /syncs, never a fatal error.
func (s *DefaultSyncer) OnFailedSync(res *RespSync, err error) (time.Duration, error) {
return 10 * time.Second, nil
}
// GetFilterJSON returns a filter with a timeline limit of 50.
func (s *DefaultSyncer) GetFilterJSON(userID string) json.RawMessage {
return json.RawMessage(`{"room":{"timeline":{"limit":50}}}`)
}

View File

@@ -1,26 +0,0 @@
// Copyright 2019 Sumukha PK
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package gomatrix
// TagContent contains the data for an m.tag message type
// https://matrix.org/docs/spec/client_server/r0.4.0.html#m-tag
type TagContent struct {
Tags map[string]TagProperties `json:"tags"`
}
// TagProperties contains the properties of a Tag
type TagProperties struct {
Order float32 `json:"order,omitempty"` // Empty values must be neglected
}

View File

@@ -1,130 +0,0 @@
package gomatrix
import (
"bytes"
"encoding/hex"
"fmt"
"strings"
)
const lowerhex = "0123456789abcdef"
// encode the given byte using quoted-printable encoding (e.g "=2f")
// and writes it to the buffer
// See https://golang.org/src/mime/quotedprintable/writer.go
func encode(buf *bytes.Buffer, b byte) {
buf.WriteByte('=')
buf.WriteByte(lowerhex[b>>4])
buf.WriteByte(lowerhex[b&0x0f])
}
// escape the given alpha character and writes it to the buffer
func escape(buf *bytes.Buffer, b byte) {
buf.WriteByte('_')
if b == '_' {
buf.WriteByte('_') // another _
} else {
buf.WriteByte(b + 0x20) // ASCII shift A-Z to a-z
}
}
func shouldEncode(b byte) bool {
return b != '-' && b != '.' && b != '_' && !(b >= '0' && b <= '9') && !(b >= 'a' && b <= 'z') && !(b >= 'A' && b <= 'Z')
}
func shouldEscape(b byte) bool {
return (b >= 'A' && b <= 'Z') || b == '_'
}
func isValidByte(b byte) bool {
return isValidEscapedChar(b) || (b >= '0' && b <= '9') || b == '.' || b == '=' || b == '-'
}
func isValidEscapedChar(b byte) bool {
return b == '_' || (b >= 'a' && b <= 'z')
}
// EncodeUserLocalpart encodes the given string into Matrix-compliant user ID localpart form.
// See http://matrix.org/docs/spec/intro.html#mapping-from-other-character-sets
//
// This returns a string with only the characters "a-z0-9._=-". The uppercase range A-Z
// are encoded using leading underscores ("_"). Characters outside the aforementioned ranges
// (including literal underscores ("_") and equals ("=")) are encoded as UTF8 code points (NOT NCRs)
// and converted to lower-case hex with a leading "=". For example:
// Alph@Bet_50up => _alph=40_bet=5f50up
func EncodeUserLocalpart(str string) string {
strBytes := []byte(str)
var outputBuffer bytes.Buffer
for _, b := range strBytes {
if shouldEncode(b) {
encode(&outputBuffer, b)
} else if shouldEscape(b) {
escape(&outputBuffer, b)
} else {
outputBuffer.WriteByte(b)
}
}
return outputBuffer.String()
}
// DecodeUserLocalpart decodes the given string back into the original input string.
// Returns an error if the given string is not a valid user ID localpart encoding.
// See http://matrix.org/docs/spec/intro.html#mapping-from-other-character-sets
//
// This decodes quoted-printable bytes back into UTF8, and unescapes casing. For
// example:
// _alph=40_bet=5f50up => Alph@Bet_50up
// Returns an error if the input string contains characters outside the
// range "a-z0-9._=-", has an invalid quote-printable byte (e.g. not hex), or has
// an invalid _ escaped byte (e.g. "_5").
func DecodeUserLocalpart(str string) (string, error) {
strBytes := []byte(str)
var outputBuffer bytes.Buffer
for i := 0; i < len(strBytes); i++ {
b := strBytes[i]
if !isValidByte(b) {
return "", fmt.Errorf("Byte pos %d: Invalid byte", i)
}
if b == '_' { // next byte is a-z and should be upper-case or is another _ and should be a literal _
if i+1 >= len(strBytes) {
return "", fmt.Errorf("Byte pos %d: expected _[a-z_] encoding but ran out of string", i)
}
if !isValidEscapedChar(strBytes[i+1]) { // invalid escaping
return "", fmt.Errorf("Byte pos %d: expected _[a-z_] encoding", i)
}
if strBytes[i+1] == '_' {
outputBuffer.WriteByte('_')
} else {
outputBuffer.WriteByte(strBytes[i+1] - 0x20) // ASCII shift a-z to A-Z
}
i++ // skip next byte since we just handled it
} else if b == '=' { // next 2 bytes are hex and should be buffered ready to be read as utf8
if i+2 >= len(strBytes) {
return "", fmt.Errorf("Byte pos: %d: expected quote-printable encoding but ran out of string", i)
}
dst := make([]byte, 1)
_, err := hex.Decode(dst, strBytes[i+1:i+3])
if err != nil {
return "", err
}
outputBuffer.WriteByte(dst[0])
i += 2 // skip next 2 bytes since we just handled it
} else { // pass through
outputBuffer.WriteByte(b)
}
}
return outputBuffer.String(), nil
}
// ExtractUserLocalpart extracts the localpart portion of a user ID.
// See http://matrix.org/docs/spec/intro.html#user-identifiers
func ExtractUserLocalpart(userID string) (string, error) {
if len(userID) == 0 || userID[0] != '@' {
return "", fmt.Errorf("%s is not a valid user id", userID)
}
return strings.TrimPrefix(
strings.SplitN(userID, ":", 2)[0], // @foo:bar:8448 => [ "@foo", "bar:8448" ]
"@", // remove "@" prefix
), nil
}

View File

@@ -1,38 +0,0 @@
//go:build appengine
// +build appengine
package colorable
import (
"io"
"os"
_ "github.com/mattn/go-isatty"
)
// NewColorable returns new instance of Writer which handles escape sequence.
func NewColorable(file *os.File) io.Writer {
if file == nil {
panic("nil passed instead of *os.File to NewColorable()")
}
return file
}
// NewColorableStdout returns new instance of Writer which handles escape sequence for stdout.
func NewColorableStdout() io.Writer {
return os.Stdout
}
// NewColorableStderr returns new instance of Writer which handles escape sequence for stderr.
func NewColorableStderr() io.Writer {
return os.Stderr
}
// EnableColorsStdout enable colors if possible.
func EnableColorsStdout(enabled *bool) func() {
if enabled != nil {
*enabled = true
}
return func() {}
}

View File

@@ -1,5 +1,5 @@
//go:build !windows && !appengine
// +build !windows,!appengine
//go:build !windows || appengine
// +build !windows appengine
package colorable

View File

@@ -11,7 +11,7 @@ import (
"strconv"
"strings"
"sync"
"syscall"
syscall "golang.org/x/sys/windows"
"unsafe"
"github.com/mattn/go-isatty"
@@ -73,7 +73,7 @@ type consoleCursorInfo struct {
}
var (
kernel32 = syscall.NewLazyDLL("kernel32.dll")
kernel32 = syscall.NewLazySystemDLL("kernel32.dll")
procGetConsoleScreenBufferInfo = kernel32.NewProc("GetConsoleScreenBufferInfo")
procSetConsoleTextAttribute = kernel32.NewProc("SetConsoleTextAttribute")
procSetConsoleCursorPosition = kernel32.NewProc("SetConsoleCursorPosition")
@@ -87,8 +87,8 @@ var (
procCreateConsoleScreenBuffer = kernel32.NewProc("CreateConsoleScreenBuffer")
)
// Writer provides colorable Writer to the console
type Writer struct {
// writer provides colorable Writer to the console
type writer struct {
out io.Writer
handle syscall.Handle
althandle syscall.Handle
@@ -98,7 +98,7 @@ type Writer struct {
mutex sync.Mutex
}
// NewColorable returns new instance of Writer which handles escape sequence from File.
// NewColorable returns new instance of writer which handles escape sequence from File.
func NewColorable(file *os.File) io.Writer {
if file == nil {
panic("nil passed instead of *os.File to NewColorable()")
@@ -112,17 +112,17 @@ func NewColorable(file *os.File) io.Writer {
var csbi consoleScreenBufferInfo
handle := syscall.Handle(file.Fd())
procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi)))
return &Writer{out: file, handle: handle, oldattr: csbi.attributes, oldpos: coord{0, 0}}
return &writer{out: file, handle: handle, oldattr: csbi.attributes, oldpos: coord{0, 0}}
}
return file
}
// NewColorableStdout returns new instance of Writer which handles escape sequence for stdout.
// NewColorableStdout returns new instance of writer which handles escape sequence for stdout.
func NewColorableStdout() io.Writer {
return NewColorable(os.Stdout)
}
// NewColorableStderr returns new instance of Writer which handles escape sequence for stderr.
// NewColorableStderr returns new instance of writer which handles escape sequence for stderr.
func NewColorableStderr() io.Writer {
return NewColorable(os.Stderr)
}
@@ -434,7 +434,7 @@ func atoiWithDefault(s string, def int) (int, error) {
}
// Write writes data on console
func (w *Writer) Write(data []byte) (n int, err error) {
func (w *writer) Write(data []byte) (n int, err error) {
w.mutex.Lock()
defer w.mutex.Unlock()
var csbi consoleScreenBufferInfo
@@ -560,7 +560,7 @@ loop:
}
procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition)))
case 'E':
n, err = strconv.Atoi(buf.String())
n, err = atoiWithDefault(buf.String(), 1)
if err != nil {
continue
}
@@ -569,7 +569,7 @@ loop:
csbi.cursorPosition.y += short(n)
procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition)))
case 'F':
n, err = strconv.Atoi(buf.String())
n, err = atoiWithDefault(buf.String(), 1)
if err != nil {
continue
}

View File

@@ -1,6 +1,7 @@
//go:build (darwin || freebsd || openbsd || netbsd || dragonfly || hurd) && !appengine
//go:build (darwin || freebsd || openbsd || netbsd || dragonfly || hurd) && !appengine && !tinygo
// +build darwin freebsd openbsd netbsd dragonfly hurd
// +build !appengine
// +build !tinygo
package isatty

View File

@@ -1,5 +1,6 @@
//go:build appengine || js || nacl || wasm
// +build appengine js nacl wasm
//go:build (appengine || js || nacl || tinygo || wasm) && !windows
// +build appengine js nacl tinygo wasm
// +build !windows
package isatty

View File

@@ -1,6 +1,7 @@
//go:build (linux || aix || zos) && !appengine
//go:build (linux || aix || zos) && !appengine && !tinygo
// +build linux aix zos
// +build !appengine
// +build !tinygo
package isatty

20
vendor/github.com/tidwall/gjson/LICENSE generated vendored Normal file
View File

@@ -0,0 +1,20 @@
The MIT License (MIT)
Copyright (c) 2016 Josh Baker
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

492
vendor/github.com/tidwall/gjson/README.md generated vendored Normal file
View File

@@ -0,0 +1,492 @@
<p align="center">
<picture>
<source media="(prefers-color-scheme: dark)" srcset="/.github/images/logo-dark.png">
<source media="(prefers-color-scheme: light)" srcset="/.github/images/logo-light.png">
<img src="/.github/images/logo-light.png" width="240" alt="GJSON" >
</picture>
<br>
<a href="https://godoc.org/github.com/tidwall/gjson"><img src="https://img.shields.io/badge/api-reference-blue.svg?style=flat-square" alt="GoDoc"></a>
<a href="https://tidwall.com/gjson-play"><img src="https://img.shields.io/badge/%F0%9F%8F%90-playground-9900cc.svg?style=flat-square" alt="GJSON Playground"></a>
<a href="SYNTAX.md"><img src="https://img.shields.io/badge/{}-syntax-33aa33.svg?style=flat-square" alt="GJSON Syntax"></a>
</p>
<p align="center">get json values quickly</a></p>
GJSON is a Go package that provides a [fast](#performance) and [simple](#get-a-value) way to get values from a json document.
It has features such as [one line retrieval](#get-a-value), [dot notation paths](#path-syntax), [iteration](#iterate-through-an-object-or-array), and [parsing json lines](#json-lines).
Also check out [SJSON](https://github.com/tidwall/sjson) for modifying json, and the [JJ](https://github.com/tidwall/jj) command line tool.
This README is a quick overview of how to use GJSON, for more information check out [GJSON Syntax](SYNTAX.md).
GJSON is also available for [Python](https://github.com/volans-/gjson-py) and [Rust](https://github.com/tidwall/gjson.rs)
Getting Started
===============
## Installing
To start using GJSON, install Go and run `go get`:
```sh
$ go get -u github.com/tidwall/gjson
```
This will retrieve the library.
## Get a value
Get searches json for the specified path. A path is in dot syntax, such as "name.last" or "age". When the value is found it's returned immediately.
```go
package main
import "github.com/tidwall/gjson"
const json = `{"name":{"first":"Janet","last":"Prichard"},"age":47}`
func main() {
value := gjson.Get(json, "name.last")
println(value.String())
}
```
This will print:
```
Prichard
```
*There's also the [GetMany](#get-multiple-values-at-once) function to get multiple values at once, and [GetBytes](#working-with-bytes) for working with JSON byte slices.*
## Path Syntax
Below is a quick overview of the path syntax, for more complete information please
check out [GJSON Syntax](SYNTAX.md).
A path is a series of keys separated by a dot.
A key may contain special wildcard characters '\*' and '?'.
To access an array value use the index as the key.
To get the number of elements in an array or to access a child path, use the '#' character.
The dot and wildcard characters can be escaped with '\\'.
```json
{
"name": {"first": "Tom", "last": "Anderson"},
"age":37,
"children": ["Sara","Alex","Jack"],
"fav.movie": "Deer Hunter",
"friends": [
{"first": "Dale", "last": "Murphy", "age": 44, "nets": ["ig", "fb", "tw"]},
{"first": "Roger", "last": "Craig", "age": 68, "nets": ["fb", "tw"]},
{"first": "Jane", "last": "Murphy", "age": 47, "nets": ["ig", "tw"]}
]
}
```
```
"name.last" >> "Anderson"
"age" >> 37
"children" >> ["Sara","Alex","Jack"]
"children.#" >> 3
"children.1" >> "Alex"
"child*.2" >> "Jack"
"c?ildren.0" >> "Sara"
"fav\.movie" >> "Deer Hunter"
"friends.#.first" >> ["Dale","Roger","Jane"]
"friends.1.last" >> "Craig"
```
You can also query an array for the first match by using `#(...)`, or find all
matches with `#(...)#`. Queries support the `==`, `!=`, `<`, `<=`, `>`, `>=`
comparison operators and the simple pattern matching `%` (like) and `!%`
(not like) operators.
```
friends.#(last=="Murphy").first >> "Dale"
friends.#(last=="Murphy")#.first >> ["Dale","Jane"]
friends.#(age>45)#.last >> ["Craig","Murphy"]
friends.#(first%"D*").last >> "Murphy"
friends.#(first!%"D*").last >> "Craig"
friends.#(nets.#(=="fb"))#.first >> ["Dale","Roger"]
```
*Please note that prior to v1.3.0, queries used the `#[...]` brackets. This was
changed in v1.3.0 as to avoid confusion with the new
[multipath](SYNTAX.md#multipaths) syntax. For backwards compatibility,
`#[...]` will continue to work until the next major release.*
## Result Type
GJSON supports the json types `string`, `number`, `bool`, and `null`.
Arrays and Objects are returned as their raw json types.
The `Result` type holds one of these:
```
bool, for JSON booleans
float64, for JSON numbers
string, for JSON string literals
nil, for JSON null
```
To directly access the value:
```go
result.Type // can be String, Number, True, False, Null, or JSON
result.Str // holds the string
result.Num // holds the float64 number
result.Raw // holds the raw json
result.Index // index of raw value in original json, zero means index unknown
result.Indexes // indexes of all the elements that match on a path containing the '#' query character.
```
There are a variety of handy functions that work on a result:
```go
result.Exists() bool
result.Value() interface{}
result.Int() int64
result.Uint() uint64
result.Float() float64
result.String() string
result.Bool() bool
result.Time() time.Time
result.Array() []gjson.Result
result.Map() map[string]gjson.Result
result.Get(path string) Result
result.ForEach(iterator func(key, value Result) bool)
result.Less(token Result, caseSensitive bool) bool
```
The `result.Value()` function returns an `interface{}` which requires type assertion and is one of the following Go types:
```go
boolean >> bool
number >> float64
string >> string
null >> nil
array >> []interface{}
object >> map[string]interface{}
```
The `result.Array()` function returns back an array of values.
If the result represents a non-existent value, then an empty array will be returned.
If the result is not a JSON array, the return value will be an array containing one result.
### 64-bit integers
The `result.Int()` and `result.Uint()` calls are capable of reading all 64 bits, allowing for large JSON integers.
```go
result.Int() int64 // -9223372036854775808 to 9223372036854775807
result.Uint() uint64 // 0 to 18446744073709551615
```
## Modifiers and path chaining
New in version 1.2 is support for modifier functions and path chaining.
A modifier is a path component that performs custom processing on the
json.
Multiple paths can be "chained" together using the pipe character.
This is useful for getting results from a modified query.
For example, using the built-in `@reverse` modifier on the above json document,
we'll get `children` array and reverse the order:
```
"children|@reverse" >> ["Jack","Alex","Sara"]
"children|@reverse|0" >> "Jack"
```
There are currently the following built-in modifiers:
- `@reverse`: Reverse an array or the members of an object.
- `@ugly`: Remove all whitespace from a json document.
- `@pretty`: Make the json document more human readable.
- `@this`: Returns the current element. It can be used to retrieve the root element.
- `@valid`: Ensure the json document is valid.
- `@flatten`: Flattens an array.
- `@join`: Joins multiple objects into a single object.
- `@keys`: Returns an array of keys for an object.
- `@values`: Returns an array of values for an object.
- `@tostr`: Converts json to a string. Wraps a json string.
- `@fromstr`: Converts a string from json. Unwraps a json string.
- `@group`: Groups arrays of objects. See [e4fc67c](https://github.com/tidwall/gjson/commit/e4fc67c92aeebf2089fabc7872f010e340d105db).
- `@dig`: Search for a value without providing its entire path. See [e8e87f2](https://github.com/tidwall/gjson/commit/e8e87f2a00dc41f3aba5631094e21f59a8cf8cbf).
### Modifier arguments
A modifier may accept an optional argument. The argument can be a valid JSON
document or just characters.
For example, the `@pretty` modifier takes a json object as its argument.
```
@pretty:{"sortKeys":true}
```
Which makes the json pretty and orders all of its keys.
```json
{
"age":37,
"children": ["Sara","Alex","Jack"],
"fav.movie": "Deer Hunter",
"friends": [
{"age": 44, "first": "Dale", "last": "Murphy"},
{"age": 68, "first": "Roger", "last": "Craig"},
{"age": 47, "first": "Jane", "last": "Murphy"}
],
"name": {"first": "Tom", "last": "Anderson"}
}
```
*The full list of `@pretty` options are `sortKeys`, `indent`, `prefix`, and `width`.
Please see [Pretty Options](https://github.com/tidwall/pretty#customized-output) for more information.*
### Custom modifiers
You can also add custom modifiers.
For example, here we create a modifier that makes the entire json document upper
or lower case.
```go
gjson.AddModifier("case", func(json, arg string) string {
if arg == "upper" {
return strings.ToUpper(json)
}
if arg == "lower" {
return strings.ToLower(json)
}
return json
})
```
```
"children|@case:upper" >> ["SARA","ALEX","JACK"]
"children|@case:lower|@reverse" >> ["jack","alex","sara"]
```
## JSON Lines
There's support for [JSON Lines](http://jsonlines.org/) using the `..` prefix, which treats a multilined document as an array.
For example:
```
{"name": "Gilbert", "age": 61}
{"name": "Alexa", "age": 34}
{"name": "May", "age": 57}
{"name": "Deloise", "age": 44}
```
```
..# >> 4
..1 >> {"name": "Alexa", "age": 34}
..3 >> {"name": "Deloise", "age": 44}
..#.name >> ["Gilbert","Alexa","May","Deloise"]
..#(name="May").age >> 57
```
The `ForEachLines` function will iterate through JSON lines.
```go
gjson.ForEachLine(json, func(line gjson.Result) bool{
println(line.String())
return true
})
```
## Get nested array values
Suppose you want all the last names from the following json:
```json
{
"programmers": [
{
"firstName": "Janet",
"lastName": "McLaughlin",
}, {
"firstName": "Elliotte",
"lastName": "Hunter",
}, {
"firstName": "Jason",
"lastName": "Harold",
}
]
}
```
You would use the path "programmers.#.lastName" like such:
```go
result := gjson.Get(json, "programmers.#.lastName")
for _, name := range result.Array() {
println(name.String())
}
```
You can also query an object inside an array:
```go
name := gjson.Get(json, `programmers.#(lastName="Hunter").firstName`)
println(name.String()) // prints "Elliotte"
```
## Iterate through an object or array
The `ForEach` function allows for quickly iterating through an object or array.
The key and value are passed to the iterator function for objects.
Only the value is passed for arrays.
Returning `false` from an iterator will stop iteration.
```go
result := gjson.Get(json, "programmers")
result.ForEach(func(key, value gjson.Result) bool {
println(value.String())
return true // keep iterating
})
```
## Simple Parse and Get
There's a `Parse(json)` function that will do a simple parse, and `result.Get(path)` that will search a result.
For example, all of these will return the same result:
```go
gjson.Parse(json).Get("name").Get("last")
gjson.Get(json, "name").Get("last")
gjson.Get(json, "name.last")
```
## Check for the existence of a value
Sometimes you just want to know if a value exists.
```go
value := gjson.Get(json, "name.last")
if !value.Exists() {
println("no last name")
} else {
println(value.String())
}
// Or as one step
if gjson.Get(json, "name.last").Exists() {
println("has a last name")
}
```
## Validate JSON
The `Get*` and `Parse*` functions expects that the json is well-formed. Bad json will not panic, but it may return back unexpected results.
If you are consuming JSON from an unpredictable source then you may want to validate prior to using GJSON.
```go
if !gjson.Valid(json) {
return errors.New("invalid json")
}
value := gjson.Get(json, "name.last")
```
## Unmarshal to a map
To unmarshal to a `map[string]interface{}`:
```go
m, ok := gjson.Parse(json).Value().(map[string]interface{})
if !ok {
// not a map
}
```
## Working with Bytes
If your JSON is contained in a `[]byte` slice, there's the [GetBytes](https://godoc.org/github.com/tidwall/gjson#GetBytes) function. This is preferred over `Get(string(data), path)`.
```go
var json []byte = ...
result := gjson.GetBytes(json, path)
```
If you are using the `gjson.GetBytes(json, path)` function and you want to avoid converting `result.Raw` to a `[]byte`, then you can use this pattern:
```go
var json []byte = ...
result := gjson.GetBytes(json, path)
var raw []byte
if result.Index > 0 {
raw = json[result.Index:result.Index+len(result.Raw)]
} else {
raw = []byte(result.Raw)
}
```
This is a best-effort no allocation sub slice of the original json. This method utilizes the `result.Index` field, which is the position of the raw data in the original json. It's possible that the value of `result.Index` equals zero, in which case the `result.Raw` is converted to a `[]byte`.
## Performance
Benchmarks of GJSON alongside [encoding/json](https://golang.org/pkg/encoding/json/),
[ffjson](https://github.com/pquerna/ffjson),
[EasyJSON](https://github.com/mailru/easyjson),
[jsonparser](https://github.com/buger/jsonparser),
and [json-iterator](https://github.com/json-iterator/go)
```
BenchmarkGJSONGet-10 17893731 202.1 ns/op 0 B/op 0 allocs/op
BenchmarkGJSONUnmarshalMap-10 1663548 2157 ns/op 1920 B/op 26 allocs/op
BenchmarkJSONUnmarshalMap-10 832236 4279 ns/op 2920 B/op 68 allocs/op
BenchmarkJSONUnmarshalStruct-10 1076475 3219 ns/op 920 B/op 12 allocs/op
BenchmarkJSONDecoder-10 585729 6126 ns/op 3845 B/op 160 allocs/op
BenchmarkFFJSONLexer-10 2508573 1391 ns/op 880 B/op 8 allocs/op
BenchmarkEasyJSONLexer-10 3000000 537.9 ns/op 501 B/op 5 allocs/op
BenchmarkJSONParserGet-10 13707510 263.9 ns/op 21 B/op 0 allocs/op
BenchmarkJSONIterator-10 3000000 561.2 ns/op 693 B/op 14 allocs/op
```
JSON document used:
```json
{
"widget": {
"debug": "on",
"window": {
"title": "Sample Konfabulator Widget",
"name": "main_window",
"width": 500,
"height": 500
},
"image": {
"src": "Images/Sun.png",
"hOffset": 250,
"vOffset": 250,
"alignment": "center"
},
"text": {
"data": "Click Here",
"size": 36,
"style": "bold",
"vOffset": 100,
"alignment": "center",
"onMouseUp": "sun1.opacity = (sun1.opacity / 100) * 90;"
}
}
}
```
Each operation was rotated through one of the following search paths:
```
widget.window.name
widget.image.hOffset
widget.text.onMouseUp
```
**
*These benchmarks were run on a MacBook Pro M1 Max using Go 1.22 and can be found [here](https://github.com/tidwall/gjson-benchmarks).*

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# GJSON Path Syntax
A GJSON Path is a text string syntax that describes a search pattern for quickly retrieving values from a JSON payload.
This document is designed to explain the structure of a GJSON Path through examples.
- [Path structure](#path-structure)
- [Basic](#basic)
- [Wildcards](#wildcards)
- [Escape Character](#escape-character)
- [Arrays](#arrays)
- [Queries](#queries)
- [Dot vs Pipe](#dot-vs-pipe)
- [Modifiers](#modifiers)
- [Multipaths](#multipaths)
- [Literals](#literals)
The definitive implementation is [github.com/tidwall/gjson](https://github.com/tidwall/gjson).
Use the [GJSON Playground](https://gjson.dev) to experiment with the syntax online.
## Path structure
A GJSON Path is intended to be easily expressed as a series of components separated by a `.` character.
Along with `.` character, there are a few more that have special meaning, including `|`, `#`, `@`, `\`, `*`, `!`, and `?`.
## Example
Given this JSON
```json
{
"name": {"first": "Tom", "last": "Anderson"},
"age":37,
"children": ["Sara","Alex","Jack"],
"fav.movie": "Deer Hunter",
"friends": [
{"first": "Dale", "last": "Murphy", "age": 44, "nets": ["ig", "fb", "tw"]},
{"first": "Roger", "last": "Craig", "age": 68, "nets": ["fb", "tw"]},
{"first": "Jane", "last": "Murphy", "age": 47, "nets": ["ig", "tw"]}
]
}
```
The following GJSON Paths evaluate to the accompanying values.
### Basic
In many cases you'll just want to retrieve values by object name or array index.
```go
name.last "Anderson"
name.first "Tom"
age 37
children ["Sara","Alex","Jack"]
children.0 "Sara"
children.1 "Alex"
friends.1 {"first": "Roger", "last": "Craig", "age": 68}
friends.1.first "Roger"
```
### Wildcards
A key may contain the special wildcard characters `*` and `?`.
The `*` will match on any zero+ characters, and `?` matches on any one character.
```go
child*.2 "Jack"
c?ildren.0 "Sara"
```
### Escape character
Special purpose characters, such as `.`, `*`, and `?` can be escaped with `\`.
```go
fav\.movie "Deer Hunter"
```
You'll also need to make sure that the `\` character is correctly escaped when hardcoding a path in your source code.
```go
// Go
val := gjson.Get(json, "fav\\.movie") // must escape the slash
val := gjson.Get(json, `fav\.movie`) // no need to escape the slash
```
```rust
// Rust
let val = gjson::get(json, "fav\\.movie") // must escape the slash
let val = gjson::get(json, r#"fav\.movie"#) // no need to escape the slash
```
### Arrays
The `#` character allows for digging into JSON Arrays.
To get the length of an array you'll just use the `#` all by itself.
```go
friends.# 3
friends.#.age [44,68,47]
```
### Queries
You can also query an array for the first match by using `#(...)`, or find all matches with `#(...)#`.
Queries support the `==`, `!=`, `<`, `<=`, `>`, `>=` comparison operators,
and the simple pattern matching `%` (like) and `!%` (not like) operators.
```go
friends.#(last=="Murphy").first "Dale"
friends.#(last=="Murphy")#.first ["Dale","Jane"]
friends.#(age>45)#.last ["Craig","Murphy"]
friends.#(first%"D*").last "Murphy"
friends.#(first!%"D*").last "Craig"
```
To query for a non-object value in an array, you can forgo the string to the right of the operator.
```go
children.#(!%"*a*") "Alex"
children.#(%"*a*")# ["Sara","Jack"]
```
Nested queries are allowed.
```go
friends.#(nets.#(=="fb"))#.first >> ["Dale","Roger"]
```
*Please note that prior to v1.3.0, queries used the `#[...]` brackets. This was
changed in v1.3.0 as to avoid confusion with the new [multipath](#multipaths)
syntax. For backwards compatibility, `#[...]` will continue to work until the
next major release.*
The `~` (tilde) operator will convert a value to a boolean before comparison.
Supported tilde comparison type are:
```
~true Converts true-ish values to true
~false Converts false-ish and non-existent values to true
~null Converts null and non-existent values to true
~* Converts any existing value to true
```
For example, using the following JSON:
```json
{
"vals": [
{ "a": 1, "b": "data" },
{ "a": 2, "b": true },
{ "a": 3, "b": false },
{ "a": 4, "b": "0" },
{ "a": 5, "b": 0 },
{ "a": 6, "b": "1" },
{ "a": 7, "b": 1 },
{ "a": 8, "b": "true" },
{ "a": 9, "b": false },
{ "a": 10, "b": null },
{ "a": 11 }
]
}
```
To query for all true-ish or false-ish values:
```
vals.#(b==~true)#.a >> [2,6,7,8]
vals.#(b==~false)#.a >> [3,4,5,9,10,11]
```
The last value which was non-existent is treated as `false`
To query for null and explicit value existence:
```
vals.#(b==~null)#.a >> [10,11]
vals.#(b==~*)#.a >> [1,2,3,4,5,6,7,8,9,10]
vals.#(b!=~*)#.a >> [11]
```
### Dot vs Pipe
The `.` is standard separator, but it's also possible to use a `|`.
In most cases they both end up returning the same results.
The cases where`|` differs from `.` is when it's used after the `#` for [Arrays](#arrays) and [Queries](#queries).
Here are some examples
```go
friends.0.first "Dale"
friends|0.first "Dale"
friends.0|first "Dale"
friends|0|first "Dale"
friends|# 3
friends.# 3
friends.#(last="Murphy")# [{"first": "Dale", "last": "Murphy", "age": 44},{"first": "Jane", "last": "Murphy", "age": 47}]
friends.#(last="Murphy")#.first ["Dale","Jane"]
friends.#(last="Murphy")#|first <non-existent>
friends.#(last="Murphy")#.0 []
friends.#(last="Murphy")#|0 {"first": "Dale", "last": "Murphy", "age": 44}
friends.#(last="Murphy")#.# []
friends.#(last="Murphy")#|# 2
```
Let's break down a few of these.
The path `friends.#(last="Murphy")#` all by itself results in
```json
[{"first": "Dale", "last": "Murphy", "age": 44},{"first": "Jane", "last": "Murphy", "age": 47}]
```
The `.first` suffix will process the `first` path on each array element *before* returning the results. Which becomes
```json
["Dale","Jane"]
```
But the `|first` suffix actually processes the `first` path *after* the previous result.
Since the previous result is an array, not an object, it's not possible to process
because `first` does not exist.
Yet, `|0` suffix returns
```json
{"first": "Dale", "last": "Murphy", "age": 44}
```
Because `0` is the first index of the previous result.
### Modifiers
A modifier is a path component that performs custom processing on the JSON.
For example, using the built-in `@reverse` modifier on the above JSON payload will reverse the `children` array:
```go
children.@reverse ["Jack","Alex","Sara"]
children.@reverse.0 "Jack"
```
There are currently the following built-in modifiers:
- `@reverse`: Reverse an array or the members of an object.
- `@ugly`: Remove all whitespace from JSON.
- `@pretty`: Make the JSON more human readable.
- `@this`: Returns the current element. It can be used to retrieve the root element.
- `@valid`: Ensure the json document is valid.
- `@flatten`: Flattens an array.
- `@join`: Joins multiple objects into a single object.
- `@keys`: Returns an array of keys for an object.
- `@values`: Returns an array of values for an object.
- `@tostr`: Converts json to a string. Wraps a json string.
- `@fromstr`: Converts a string from json. Unwraps a json string.
- `@group`: Groups arrays of objects. See [e4fc67c](https://github.com/tidwall/gjson/commit/e4fc67c92aeebf2089fabc7872f010e340d105db).
- `@dig`: Search for a value without providing its entire path. See [e8e87f2](https://github.com/tidwall/gjson/commit/e8e87f2a00dc41f3aba5631094e21f59a8cf8cbf).
#### Modifier arguments
A modifier may accept an optional argument. The argument can be a valid JSON payload or just characters.
For example, the `@pretty` modifier takes a json object as its argument.
```
@pretty:{"sortKeys":true}
```
Which makes the json pretty and orders all of its keys.
```json
{
"age":37,
"children": ["Sara","Alex","Jack"],
"fav.movie": "Deer Hunter",
"friends": [
{"age": 44, "first": "Dale", "last": "Murphy"},
{"age": 68, "first": "Roger", "last": "Craig"},
{"age": 47, "first": "Jane", "last": "Murphy"}
],
"name": {"first": "Tom", "last": "Anderson"}
}
```
*The full list of `@pretty` options are `sortKeys`, `indent`, `prefix`, and `width`.
Please see [Pretty Options](https://github.com/tidwall/pretty#customized-output) for more information.*
#### Custom modifiers
You can also add custom modifiers.
For example, here we create a modifier which makes the entire JSON payload upper or lower case.
```go
gjson.AddModifier("case", func(json, arg string) string {
if arg == "upper" {
return strings.ToUpper(json)
}
if arg == "lower" {
return strings.ToLower(json)
}
return json
})
"children.@case:upper" ["SARA","ALEX","JACK"]
"children.@case:lower.@reverse" ["jack","alex","sara"]
```
*Note: Custom modifiers are not yet available in the Rust version*
### Multipaths
Starting with v1.3.0, GJSON added the ability to join multiple paths together
to form new documents. Wrapping comma-separated paths between `[...]` or
`{...}` will result in a new array or object, respectively.
For example, using the given multipath:
```
{name.first,age,"the_murphys":friends.#(last="Murphy")#.first}
```
Here we selected the first name, age, and the first name for friends with the
last name "Murphy".
You'll notice that an optional key can be provided, in this case
"the_murphys", to force assign a key to a value. Otherwise, the name of the
actual field will be used, in this case "first". If a name cannot be
determined, then "_" is used.
This results in
```json
{"first":"Tom","age":37,"the_murphys":["Dale","Jane"]}
```
### Literals
Starting with v1.12.0, GJSON added support of json literals, which provides a way for constructing static blocks of json. This is can be particularly useful when constructing a new json document using [multipaths](#multipaths).
A json literal begins with the '!' declaration character.
For example, using the given multipath:
```
{name.first,age,"company":!"Happysoft","employed":!true}
```
Here we selected the first name and age. Then add two new fields, "company" and "employed".
This results in
```json
{"first":"Tom","age":37,"company":"Happysoft","employed":true}
```
*See issue [#249](https://github.com/tidwall/gjson/issues/249) for additional context on JSON Literals.*

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The MIT License (MIT)
Copyright (c) 2016 Josh Baker
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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# Match
[![GoDoc](https://godoc.org/github.com/tidwall/match?status.svg)](https://godoc.org/github.com/tidwall/match)
Match is a very simple pattern matcher where '*' matches on any
number characters and '?' matches on any one character.
## Installing
```
go get -u github.com/tidwall/match
```
## Example
```go
match.Match("hello", "*llo")
match.Match("jello", "?ello")
match.Match("hello", "h*o")
```
## Contact
Josh Baker [@tidwall](http://twitter.com/tidwall)
## License
Match source code is available under the MIT [License](/LICENSE).

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// Package match provides a simple pattern matcher with unicode support.
package match
import (
"unicode/utf8"
)
// Match returns true if str matches pattern. This is a very
// simple wildcard match where '*' matches on any number characters
// and '?' matches on any one character.
//
// pattern:
//
// { term }
//
// term:
//
// '*' matches any sequence of non-Separator characters
// '?' matches any single non-Separator character
// c matches character c (c != '*', '?', '\\')
// '\\' c matches character c
func Match(str, pattern string) bool {
return match0(str, pattern, false)
}
// MatchNoCase is the same as Match but performs a case-insensitive match.
// Such that string "Hello World" with match with lower case pattern "hello*"
func MatchNoCase(str, pattern string) bool {
return match0(str, pattern, true)
}
func match0(str, pattern string, nocase bool) bool {
if pattern == "*" {
return true
}
return match(str, pattern, 0, nil, -1, nocase) == rMatch
}
// MatchLimit is the same as Match but will limit the complexity of the match
// operation. This is to avoid long running matches, specifically to avoid ReDos
// attacks from arbritary inputs.
//
// How it works:
// The underlying match routine is recursive and may call itself when it
// encounters a sandwiched wildcard pattern, such as: `user:*:name`.
// Everytime it calls itself a counter is incremented.
// The operation is stopped when counter > maxcomp*len(str).
func MatchLimit(str, pattern string, maxcomp int) (matched, stopped bool) {
return matchLimit0(str, pattern, maxcomp, false)
}
func MatchLimitNoCase(str, pattern string, maxcomp int,
) (matched, stopped bool) {
return matchLimit0(str, pattern, maxcomp, true)
}
func matchLimit0(str, pattern string, maxcomp int, nocase bool,
) (matched, stopped bool) {
if pattern == "*" {
return true, false
}
counter := 0
r := match(str, pattern, len(str), &counter, maxcomp, nocase)
if r == rStop {
return false, true
}
return r == rMatch, false
}
type result int
const (
rNoMatch result = iota
rMatch
rStop
)
func tolower(r rune) rune {
if r >= 'A' && r <= 'Z' {
return r + 32
}
return r
}
func match(str, pat string, slen int, counter *int, maxcomp int, nocase bool,
) result {
// check complexity limit
if maxcomp > -1 {
if *counter > slen*maxcomp {
return rStop
}
*counter++
}
for len(pat) > 0 {
var wild bool
pc, ps := rune(pat[0]), 1
if pc > 0x7f {
pc, ps = utf8.DecodeRuneInString(pat)
}
var sc rune
var ss int
if len(str) > 0 {
sc, ss = rune(str[0]), 1
if sc > 0x7f {
sc, ss = utf8.DecodeRuneInString(str)
}
}
switch pc {
case '?':
if ss == 0 {
return rNoMatch
}
case '*':
// Ignore repeating stars.
for len(pat) > 1 && pat[1] == '*' {
pat = pat[1:]
}
// If this star is the last character then it must be a match.
if len(pat) == 1 {
return rMatch
}
// Match and trim any non-wildcard suffix characters.
var ok bool
str, pat, ok = matchTrimSuffix(str, pat, nocase)
if !ok {
return rNoMatch
}
// Check for single star again.
if len(pat) == 1 {
return rMatch
}
// Perform recursive wildcard search.
r := match(str, pat[1:], slen, counter, maxcomp, nocase)
if r != rNoMatch {
return r
}
if len(str) == 0 {
return rNoMatch
}
wild = true
default:
if ss == 0 {
return rNoMatch
}
if pc == '\\' {
pat = pat[ps:]
pc, ps = utf8.DecodeRuneInString(pat)
if ps == 0 {
return rNoMatch
}
}
if nocase {
sc, pc = tolower(sc), tolower(pc)
}
if sc != pc {
return rNoMatch
}
}
str = str[ss:]
if !wild {
pat = pat[ps:]
}
}
if len(str) == 0 {
return rMatch
}
return rNoMatch
}
// matchTrimSuffix matches and trims any non-wildcard suffix characters.
// Returns the trimed string and pattern.
//
// This is called because the pattern contains extra data after the wildcard
// star. Here we compare any suffix characters in the pattern to the suffix of
// the target string. Basically a reverse match that stops when a wildcard
// character is reached. This is a little trickier than a forward match because
// we need to evaluate an escaped character in reverse.
//
// Any matched characters will be trimmed from both the target
// string and the pattern.
func matchTrimSuffix(str, pat string, nocase bool) (string, string, bool) {
// It's expected that the pattern has at least two bytes and the first byte
// is a wildcard star '*'
match := true
for len(str) > 0 && len(pat) > 1 {
pc, ps := utf8.DecodeLastRuneInString(pat)
var esc bool
for i := 0; ; i++ {
if pat[len(pat)-ps-i-1] != '\\' {
if i&1 == 1 {
esc = true
ps++
}
break
}
}
if pc == '*' && !esc {
match = true
break
}
sc, ss := utf8.DecodeLastRuneInString(str)
if nocase {
pc, sc = tolower(pc), tolower(sc)
}
if !((pc == '?' && !esc) || pc == sc) {
match = false
break
}
str = str[:len(str)-ss]
pat = pat[:len(pat)-ps]
}
return str, pat, match
}
var maxRuneBytes = [...]byte{244, 143, 191, 191}
// Allowable parses the pattern and determines the minimum and maximum allowable
// values that the pattern can represent.
// When the max cannot be determined, 'true' will be returned
// for infinite.
func Allowable(pattern string) (min, max string) {
if pattern == "" || pattern[0] == '*' {
return "", ""
}
minb := make([]byte, 0, len(pattern))
maxb := make([]byte, 0, len(pattern))
var wild bool
for i := 0; i < len(pattern); i++ {
if pattern[i] == '*' {
wild = true
break
}
if pattern[i] == '?' {
minb = append(minb, 0)
maxb = append(maxb, maxRuneBytes[:]...)
} else {
minb = append(minb, pattern[i])
maxb = append(maxb, pattern[i])
}
}
if wild {
r, n := utf8.DecodeLastRune(maxb)
if r != utf8.RuneError {
if r < utf8.MaxRune {
r++
if r > 0x7f {
b := make([]byte, 4)
nn := utf8.EncodeRune(b, r)
maxb = append(maxb[:len(maxb)-n], b[:nn]...)
} else {
maxb = append(maxb[:len(maxb)-n], byte(r))
}
}
}
}
return string(minb), string(maxb)
}
// IsPattern returns true if the string is a pattern.
func IsPattern(str string) bool {
for i := 0; i < len(str); i++ {
if str[i] == '*' || str[i] == '?' {
return true
}
}
return false
}

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The MIT License (MIT)
Copyright (c) 2016 Josh Baker
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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<p align="center">
<img
src="logo.png"
width="240" height="78" border="0" alt="SJSON">
<br>
<a href="https://godoc.org/github.com/tidwall/sjson"><img src="https://img.shields.io/badge/api-reference-blue.svg?style=flat-square" alt="GoDoc"></a>
</p>
<p align="center">set a json value quickly</p>
SJSON is a Go package that provides a [very fast](#performance) and simple way to set a value in a json document.
For quickly retrieving json values check out [GJSON](https://github.com/tidwall/gjson).
For a command line interface check out [JJ](https://github.com/tidwall/jj).
Getting Started
===============
Installing
----------
To start using SJSON, install Go and run `go get`:
```sh
$ go get -u github.com/tidwall/sjson
```
This will retrieve the library.
Set a value
-----------
Set sets the value for the specified path.
A path is in dot syntax, such as "name.last" or "age".
This function expects that the json is well-formed and validated.
Invalid json will not panic, but it may return back unexpected results.
Invalid paths may return an error.
```go
package main
import "github.com/tidwall/sjson"
const json = `{"name":{"first":"Janet","last":"Prichard"},"age":47}`
func main() {
value, _ := sjson.Set(json, "name.last", "Anderson")
println(value)
}
```
This will print:
```json
{"name":{"first":"Janet","last":"Anderson"},"age":47}
```
Path syntax
-----------
A path is a series of keys separated by a dot.
The dot and colon characters can be escaped with ``\``.
```json
{
"name": {"first": "Tom", "last": "Anderson"},
"age":37,
"children": ["Sara","Alex","Jack"],
"fav.movie": "Deer Hunter",
"friends": [
{"first": "James", "last": "Murphy"},
{"first": "Roger", "last": "Craig"}
]
}
```
```
"name.last" >> "Anderson"
"age" >> 37
"children.1" >> "Alex"
"friends.1.last" >> "Craig"
```
The `-1` key can be used to append a value to an existing array:
```
"children.-1" >> appends a new value to the end of the children array
```
Normally number keys are used to modify arrays, but it's possible to force a numeric object key by using the colon character:
```json
{
"users":{
"2313":{"name":"Sara"},
"7839":{"name":"Andy"}
}
}
```
A colon path would look like:
```
"users.:2313.name" >> "Sara"
```
Supported types
---------------
Pretty much any type is supported:
```go
sjson.Set(`{"key":true}`, "key", nil)
sjson.Set(`{"key":true}`, "key", false)
sjson.Set(`{"key":true}`, "key", 1)
sjson.Set(`{"key":true}`, "key", 10.5)
sjson.Set(`{"key":true}`, "key", "hello")
sjson.Set(`{"key":true}`, "key", []string{"hello", "world"})
sjson.Set(`{"key":true}`, "key", map[string]interface{}{"hello":"world"})
```
When a type is not recognized, SJSON will fallback to the `encoding/json` Marshaller.
Examples
--------
Set a value from empty document:
```go
value, _ := sjson.Set("", "name", "Tom")
println(value)
// Output:
// {"name":"Tom"}
```
Set a nested value from empty document:
```go
value, _ := sjson.Set("", "name.last", "Anderson")
println(value)
// Output:
// {"name":{"last":"Anderson"}}
```
Set a new value:
```go
value, _ := sjson.Set(`{"name":{"last":"Anderson"}}`, "name.first", "Sara")
println(value)
// Output:
// {"name":{"first":"Sara","last":"Anderson"}}
```
Update an existing value:
```go
value, _ := sjson.Set(`{"name":{"last":"Anderson"}}`, "name.last", "Smith")
println(value)
// Output:
// {"name":{"last":"Smith"}}
```
Set a new array value:
```go
value, _ := sjson.Set(`{"friends":["Andy","Carol"]}`, "friends.2", "Sara")
println(value)
// Output:
// {"friends":["Andy","Carol","Sara"]
```
Append an array value by using the `-1` key in a path:
```go
value, _ := sjson.Set(`{"friends":["Andy","Carol"]}`, "friends.-1", "Sara")
println(value)
// Output:
// {"friends":["Andy","Carol","Sara"]
```
Append an array value that is past the end:
```go
value, _ := sjson.Set(`{"friends":["Andy","Carol"]}`, "friends.4", "Sara")
println(value)
// Output:
// {"friends":["Andy","Carol",null,null,"Sara"]
```
Delete a value:
```go
value, _ := sjson.Delete(`{"name":{"first":"Sara","last":"Anderson"}}`, "name.first")
println(value)
// Output:
// {"name":{"last":"Anderson"}}
```
Delete an array value:
```go
value, _ := sjson.Delete(`{"friends":["Andy","Carol"]}`, "friends.1")
println(value)
// Output:
// {"friends":["Andy"]}
```
Delete the last array value:
```go
value, _ := sjson.Delete(`{"friends":["Andy","Carol"]}`, "friends.-1")
println(value)
// Output:
// {"friends":["Andy"]}
```
## Performance
Benchmarks of SJSON alongside [encoding/json](https://golang.org/pkg/encoding/json/),
[ffjson](https://github.com/pquerna/ffjson),
[EasyJSON](https://github.com/mailru/easyjson),
and [Gabs](https://github.com/Jeffail/gabs)
```
Benchmark_SJSON-8 3000000 805 ns/op 1077 B/op 3 allocs/op
Benchmark_SJSON_ReplaceInPlace-8 3000000 449 ns/op 0 B/op 0 allocs/op
Benchmark_JSON_Map-8 300000 21236 ns/op 6392 B/op 150 allocs/op
Benchmark_JSON_Struct-8 300000 14691 ns/op 1789 B/op 24 allocs/op
Benchmark_Gabs-8 300000 21311 ns/op 6752 B/op 150 allocs/op
Benchmark_FFJSON-8 300000 17673 ns/op 3589 B/op 47 allocs/op
Benchmark_EasyJSON-8 1500000 3119 ns/op 1061 B/op 13 allocs/op
```
JSON document used:
```json
{
"widget": {
"debug": "on",
"window": {
"title": "Sample Konfabulator Widget",
"name": "main_window",
"width": 500,
"height": 500
},
"image": {
"src": "Images/Sun.png",
"hOffset": 250,
"vOffset": 250,
"alignment": "center"
},
"text": {
"data": "Click Here",
"size": 36,
"style": "bold",
"vOffset": 100,
"alignment": "center",
"onMouseUp": "sun1.opacity = (sun1.opacity / 100) * 90;"
}
}
}
```
Each operation was rotated though one of the following search paths:
```
widget.window.name
widget.image.hOffset
widget.text.onMouseUp
```
*These benchmarks were run on a MacBook Pro 15" 2.8 GHz Intel Core i7 using Go 1.7 and can be be found [here](https://github.com/tidwall/sjson-benchmarks)*.
## Contact
Josh Baker [@tidwall](http://twitter.com/tidwall)
## License
SJSON source code is available under the MIT [License](/LICENSE).

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// Package sjson provides setting json values.
package sjson
import (
jsongo "encoding/json"
"sort"
"strconv"
"unsafe"
"github.com/tidwall/gjson"
)
type errorType struct {
msg string
}
func (err *errorType) Error() string {
return err.msg
}
// Options represents additional options for the Set and Delete functions.
type Options struct {
// Optimistic is a hint that the value likely exists which
// allows for the sjson to perform a fast-track search and replace.
Optimistic bool
// ReplaceInPlace is a hint to replace the input json rather than
// allocate a new json byte slice. When this field is specified
// the input json will not longer be valid and it should not be used
// In the case when the destination slice doesn't have enough free
// bytes to replace the data in place, a new bytes slice will be
// created under the hood.
// The Optimistic flag must be set to true and the input must be a
// byte slice in order to use this field.
ReplaceInPlace bool
}
type pathResult struct {
part string // current key part
gpart string // gjson get part
path string // remaining path
force bool // force a string key
more bool // there is more path to parse
}
func isSimpleChar(ch byte) bool {
switch ch {
case '|', '#', '@', '*', '?':
return false
default:
return true
}
}
func parsePath(path string) (res pathResult, simple bool) {
var r pathResult
if len(path) > 0 && path[0] == ':' {
r.force = true
path = path[1:]
}
for i := 0; i < len(path); i++ {
if path[i] == '.' {
r.part = path[:i]
r.gpart = path[:i]
r.path = path[i+1:]
r.more = true
return r, true
}
if !isSimpleChar(path[i]) {
return r, false
}
if path[i] == '\\' {
// go into escape mode. this is a slower path that
// strips off the escape character from the part.
epart := []byte(path[:i])
gpart := []byte(path[:i+1])
i++
if i < len(path) {
epart = append(epart, path[i])
gpart = append(gpart, path[i])
i++
for ; i < len(path); i++ {
if path[i] == '\\' {
gpart = append(gpart, '\\')
i++
if i < len(path) {
epart = append(epart, path[i])
gpart = append(gpart, path[i])
}
continue
} else if path[i] == '.' {
r.part = string(epart)
r.gpart = string(gpart)
r.path = path[i+1:]
r.more = true
return r, true
} else if !isSimpleChar(path[i]) {
return r, false
}
epart = append(epart, path[i])
gpart = append(gpart, path[i])
}
}
// append the last part
r.part = string(epart)
r.gpart = string(gpart)
return r, true
}
}
r.part = path
r.gpart = path
return r, true
}
func mustMarshalString(s string) bool {
for i := 0; i < len(s); i++ {
if s[i] < ' ' || s[i] > 0x7f || s[i] == '"' || s[i] == '\\' {
return true
}
}
return false
}
// appendStringify makes a json string and appends to buf.
func appendStringify(buf []byte, s string) []byte {
if mustMarshalString(s) {
b, _ := jsongo.Marshal(s)
return append(buf, b...)
}
buf = append(buf, '"')
buf = append(buf, s...)
buf = append(buf, '"')
return buf
}
// appendBuild builds a json block from a json path.
func appendBuild(buf []byte, array bool, paths []pathResult, raw string,
stringify bool) []byte {
if !array {
buf = appendStringify(buf, paths[0].part)
buf = append(buf, ':')
}
if len(paths) > 1 {
n, numeric := atoui(paths[1])
if numeric || (!paths[1].force && paths[1].part == "-1") {
buf = append(buf, '[')
buf = appendRepeat(buf, "null,", n)
buf = appendBuild(buf, true, paths[1:], raw, stringify)
buf = append(buf, ']')
} else {
buf = append(buf, '{')
buf = appendBuild(buf, false, paths[1:], raw, stringify)
buf = append(buf, '}')
}
} else {
if stringify {
buf = appendStringify(buf, raw)
} else {
buf = append(buf, raw...)
}
}
return buf
}
// atoui does a rip conversion of string -> unigned int.
func atoui(r pathResult) (n int, ok bool) {
if r.force {
return 0, false
}
for i := 0; i < len(r.part); i++ {
if r.part[i] < '0' || r.part[i] > '9' {
return 0, false
}
n = n*10 + int(r.part[i]-'0')
}
return n, true
}
// appendRepeat repeats string "n" times and appends to buf.
func appendRepeat(buf []byte, s string, n int) []byte {
for i := 0; i < n; i++ {
buf = append(buf, s...)
}
return buf
}
// trim does a rip trim
func trim(s string) string {
for len(s) > 0 {
if s[0] <= ' ' {
s = s[1:]
continue
}
break
}
for len(s) > 0 {
if s[len(s)-1] <= ' ' {
s = s[:len(s)-1]
continue
}
break
}
return s
}
// deleteTailItem deletes the previous key or comma.
func deleteTailItem(buf []byte) ([]byte, bool) {
loop:
for i := len(buf) - 1; i >= 0; i-- {
// look for either a ',',':','['
switch buf[i] {
case '[':
return buf, true
case ',':
return buf[:i], false
case ':':
// delete tail string
i--
for ; i >= 0; i-- {
if buf[i] == '"' {
i--
for ; i >= 0; i-- {
if buf[i] == '"' {
i--
if i >= 0 && buf[i] == '\\' {
i--
continue
}
for ; i >= 0; i-- {
// look for either a ',','{'
switch buf[i] {
case '{':
return buf[:i+1], true
case ',':
return buf[:i], false
}
}
}
}
break
}
}
break loop
}
}
return buf, false
}
var errNoChange = &errorType{"no change"}
func appendRawPaths(buf []byte, jstr string, paths []pathResult, raw string,
stringify, del bool) ([]byte, error) {
var err error
var res gjson.Result
var found bool
if del {
if paths[0].part == "-1" && !paths[0].force {
res = gjson.Get(jstr, "#")
if res.Int() > 0 {
res = gjson.Get(jstr, strconv.FormatInt(int64(res.Int()-1), 10))
found = true
}
}
}
if !found {
res = gjson.Get(jstr, paths[0].gpart)
}
if res.Index > 0 {
if len(paths) > 1 {
buf = append(buf, jstr[:res.Index]...)
buf, err = appendRawPaths(buf, res.Raw, paths[1:], raw,
stringify, del)
if err != nil {
return nil, err
}
buf = append(buf, jstr[res.Index+len(res.Raw):]...)
return buf, nil
}
buf = append(buf, jstr[:res.Index]...)
var exidx int // additional forward stripping
if del {
var delNextComma bool
buf, delNextComma = deleteTailItem(buf)
if delNextComma {
i, j := res.Index+len(res.Raw), 0
for ; i < len(jstr); i, j = i+1, j+1 {
if jstr[i] <= ' ' {
continue
}
if jstr[i] == ',' {
exidx = j + 1
}
break
}
}
} else {
if stringify {
buf = appendStringify(buf, raw)
} else {
buf = append(buf, raw...)
}
}
buf = append(buf, jstr[res.Index+len(res.Raw)+exidx:]...)
return buf, nil
}
if del {
return nil, errNoChange
}
n, numeric := atoui(paths[0])
isempty := true
for i := 0; i < len(jstr); i++ {
if jstr[i] > ' ' {
isempty = false
break
}
}
if isempty {
if numeric {
jstr = "[]"
} else {
jstr = "{}"
}
}
jsres := gjson.Parse(jstr)
if jsres.Type != gjson.JSON {
if numeric {
jstr = "[]"
} else {
jstr = "{}"
}
jsres = gjson.Parse(jstr)
}
var comma bool
for i := 1; i < len(jsres.Raw); i++ {
if jsres.Raw[i] <= ' ' {
continue
}
if jsres.Raw[i] == '}' || jsres.Raw[i] == ']' {
break
}
comma = true
break
}
switch jsres.Raw[0] {
default:
return nil, &errorType{"json must be an object or array"}
case '{':
end := len(jsres.Raw) - 1
for ; end > 0; end-- {
if jsres.Raw[end] == '}' {
break
}
}
buf = append(buf, jsres.Raw[:end]...)
if comma {
buf = append(buf, ',')
}
buf = appendBuild(buf, false, paths, raw, stringify)
buf = append(buf, '}')
return buf, nil
case '[':
var appendit bool
if !numeric {
if paths[0].part == "-1" && !paths[0].force {
appendit = true
} else {
return nil, &errorType{
"cannot set array element for non-numeric key '" +
paths[0].part + "'"}
}
}
if appendit {
njson := trim(jsres.Raw)
if njson[len(njson)-1] == ']' {
njson = njson[:len(njson)-1]
}
buf = append(buf, njson...)
if comma {
buf = append(buf, ',')
}
buf = appendBuild(buf, true, paths, raw, stringify)
buf = append(buf, ']')
return buf, nil
}
buf = append(buf, '[')
ress := jsres.Array()
for i := 0; i < len(ress); i++ {
if i > 0 {
buf = append(buf, ',')
}
buf = append(buf, ress[i].Raw...)
}
if len(ress) == 0 {
buf = appendRepeat(buf, "null,", n-len(ress))
} else {
buf = appendRepeat(buf, ",null", n-len(ress))
if comma {
buf = append(buf, ',')
}
}
buf = appendBuild(buf, true, paths, raw, stringify)
buf = append(buf, ']')
return buf, nil
}
}
func isOptimisticPath(path string) bool {
for i := 0; i < len(path); i++ {
if path[i] < '.' || path[i] > 'z' {
return false
}
if path[i] > '9' && path[i] < 'A' {
return false
}
if path[i] > 'z' {
return false
}
}
return true
}
// Set sets a json value for the specified path.
// A path is in dot syntax, such as "name.last" or "age".
// This function expects that the json is well-formed, and does not validate.
// Invalid json will not panic, but it may return back unexpected results.
// An error is returned if the path is not valid.
//
// A path is a series of keys separated by a dot.
//
// {
// "name": {"first": "Tom", "last": "Anderson"},
// "age":37,
// "children": ["Sara","Alex","Jack"],
// "friends": [
// {"first": "James", "last": "Murphy"},
// {"first": "Roger", "last": "Craig"}
// ]
// }
// "name.last" >> "Anderson"
// "age" >> 37
// "children.1" >> "Alex"
//
func Set(json, path string, value interface{}) (string, error) {
return SetOptions(json, path, value, nil)
}
// SetBytes sets a json value for the specified path.
// If working with bytes, this method preferred over
// Set(string(data), path, value)
func SetBytes(json []byte, path string, value interface{}) ([]byte, error) {
return SetBytesOptions(json, path, value, nil)
}
// SetRaw sets a raw json value for the specified path.
// This function works the same as Set except that the value is set as a
// raw block of json. This allows for setting premarshalled json objects.
func SetRaw(json, path, value string) (string, error) {
return SetRawOptions(json, path, value, nil)
}
// SetRawOptions sets a raw json value for the specified path with options.
// This furnction works the same as SetOptions except that the value is set
// as a raw block of json. This allows for setting premarshalled json objects.
func SetRawOptions(json, path, value string, opts *Options) (string, error) {
var optimistic bool
if opts != nil {
optimistic = opts.Optimistic
}
res, err := set(json, path, value, false, false, optimistic, false)
if err == errNoChange {
return json, nil
}
return string(res), err
}
// SetRawBytes sets a raw json value for the specified path.
// If working with bytes, this method preferred over
// SetRaw(string(data), path, value)
func SetRawBytes(json []byte, path string, value []byte) ([]byte, error) {
return SetRawBytesOptions(json, path, value, nil)
}
type dtype struct{}
// Delete deletes a value from json for the specified path.
func Delete(json, path string) (string, error) {
return Set(json, path, dtype{})
}
// DeleteBytes deletes a value from json for the specified path.
func DeleteBytes(json []byte, path string) ([]byte, error) {
return SetBytes(json, path, dtype{})
}
type stringHeader struct {
data unsafe.Pointer
len int
}
type sliceHeader struct {
data unsafe.Pointer
len int
cap int
}
func set(jstr, path, raw string,
stringify, del, optimistic, inplace bool) ([]byte, error) {
if path == "" {
return []byte(jstr), &errorType{"path cannot be empty"}
}
if !del && optimistic && isOptimisticPath(path) {
res := gjson.Get(jstr, path)
if res.Exists() && res.Index > 0 {
sz := len(jstr) - len(res.Raw) + len(raw)
if stringify {
sz += 2
}
if inplace && sz <= len(jstr) {
if !stringify || !mustMarshalString(raw) {
jsonh := *(*stringHeader)(unsafe.Pointer(&jstr))
jsonbh := sliceHeader{
data: jsonh.data, len: jsonh.len, cap: jsonh.len}
jbytes := *(*[]byte)(unsafe.Pointer(&jsonbh))
if stringify {
jbytes[res.Index] = '"'
copy(jbytes[res.Index+1:], []byte(raw))
jbytes[res.Index+1+len(raw)] = '"'
copy(jbytes[res.Index+1+len(raw)+1:],
jbytes[res.Index+len(res.Raw):])
} else {
copy(jbytes[res.Index:], []byte(raw))
copy(jbytes[res.Index+len(raw):],
jbytes[res.Index+len(res.Raw):])
}
return jbytes[:sz], nil
}
return []byte(jstr), nil
}
buf := make([]byte, 0, sz)
buf = append(buf, jstr[:res.Index]...)
if stringify {
buf = appendStringify(buf, raw)
} else {
buf = append(buf, raw...)
}
buf = append(buf, jstr[res.Index+len(res.Raw):]...)
return buf, nil
}
}
var paths []pathResult
r, simple := parsePath(path)
if simple {
paths = append(paths, r)
for r.more {
r, simple = parsePath(r.path)
if !simple {
break
}
paths = append(paths, r)
}
}
if !simple {
if del {
return []byte(jstr),
&errorType{"cannot delete value from a complex path"}
}
return setComplexPath(jstr, path, raw, stringify)
}
njson, err := appendRawPaths(nil, jstr, paths, raw, stringify, del)
if err != nil {
return []byte(jstr), err
}
return njson, nil
}
func setComplexPath(jstr, path, raw string, stringify bool) ([]byte, error) {
res := gjson.Get(jstr, path)
if !res.Exists() || !(res.Index != 0 || len(res.Indexes) != 0) {
return []byte(jstr), errNoChange
}
if res.Index != 0 {
njson := []byte(jstr[:res.Index])
if stringify {
njson = appendStringify(njson, raw)
} else {
njson = append(njson, raw...)
}
njson = append(njson, jstr[res.Index+len(res.Raw):]...)
jstr = string(njson)
}
if len(res.Indexes) > 0 {
type val struct {
index int
res gjson.Result
}
vals := make([]val, 0, len(res.Indexes))
res.ForEach(func(_, vres gjson.Result) bool {
vals = append(vals, val{res: vres})
return true
})
if len(res.Indexes) != len(vals) {
return []byte(jstr), errNoChange
}
for i := 0; i < len(res.Indexes); i++ {
vals[i].index = res.Indexes[i]
}
sort.SliceStable(vals, func(i, j int) bool {
return vals[i].index > vals[j].index
})
for _, val := range vals {
vres := val.res
index := val.index
njson := []byte(jstr[:index])
if stringify {
njson = appendStringify(njson, raw)
} else {
njson = append(njson, raw...)
}
njson = append(njson, jstr[index+len(vres.Raw):]...)
jstr = string(njson)
}
}
return []byte(jstr), nil
}
// SetOptions sets a json value for the specified path with options.
// A path is in dot syntax, such as "name.last" or "age".
// This function expects that the json is well-formed, and does not validate.
// Invalid json will not panic, but it may return back unexpected results.
// An error is returned if the path is not valid.
func SetOptions(json, path string, value interface{},
opts *Options) (string, error) {
if opts != nil {
if opts.ReplaceInPlace {
// it's not safe to replace bytes in-place for strings
// copy the Options and set options.ReplaceInPlace to false.
nopts := *opts
opts = &nopts
opts.ReplaceInPlace = false
}
}
jsonh := *(*stringHeader)(unsafe.Pointer(&json))
jsonbh := sliceHeader{data: jsonh.data, len: jsonh.len, cap: jsonh.len}
jsonb := *(*[]byte)(unsafe.Pointer(&jsonbh))
res, err := SetBytesOptions(jsonb, path, value, opts)
return string(res), err
}
// SetBytesOptions sets a json value for the specified path with options.
// If working with bytes, this method preferred over
// SetOptions(string(data), path, value)
func SetBytesOptions(json []byte, path string, value interface{},
opts *Options) ([]byte, error) {
var optimistic, inplace bool
if opts != nil {
optimistic = opts.Optimistic
inplace = opts.ReplaceInPlace
}
jstr := *(*string)(unsafe.Pointer(&json))
var res []byte
var err error
switch v := value.(type) {
default:
b, merr := jsongo.Marshal(value)
if merr != nil {
return nil, merr
}
raw := *(*string)(unsafe.Pointer(&b))
res, err = set(jstr, path, raw, false, false, optimistic, inplace)
case dtype:
res, err = set(jstr, path, "", false, true, optimistic, inplace)
case string:
res, err = set(jstr, path, v, true, false, optimistic, inplace)
case []byte:
raw := *(*string)(unsafe.Pointer(&v))
res, err = set(jstr, path, raw, true, false, optimistic, inplace)
case bool:
if v {
res, err = set(jstr, path, "true", false, false, optimistic, inplace)
} else {
res, err = set(jstr, path, "false", false, false, optimistic, inplace)
}
case int8:
res, err = set(jstr, path, strconv.FormatInt(int64(v), 10),
false, false, optimistic, inplace)
case int16:
res, err = set(jstr, path, strconv.FormatInt(int64(v), 10),
false, false, optimistic, inplace)
case int32:
res, err = set(jstr, path, strconv.FormatInt(int64(v), 10),
false, false, optimistic, inplace)
case int64:
res, err = set(jstr, path, strconv.FormatInt(int64(v), 10),
false, false, optimistic, inplace)
case uint8:
res, err = set(jstr, path, strconv.FormatUint(uint64(v), 10),
false, false, optimistic, inplace)
case uint16:
res, err = set(jstr, path, strconv.FormatUint(uint64(v), 10),
false, false, optimistic, inplace)
case uint32:
res, err = set(jstr, path, strconv.FormatUint(uint64(v), 10),
false, false, optimistic, inplace)
case uint64:
res, err = set(jstr, path, strconv.FormatUint(uint64(v), 10),
false, false, optimistic, inplace)
case float32:
res, err = set(jstr, path, strconv.FormatFloat(float64(v), 'f', -1, 64),
false, false, optimistic, inplace)
case float64:
res, err = set(jstr, path, strconv.FormatFloat(float64(v), 'f', -1, 64),
false, false, optimistic, inplace)
}
if err == errNoChange {
return json, nil
}
return res, err
}
// SetRawBytesOptions sets a raw json value for the specified path with options.
// If working with bytes, this method preferred over
// SetRawOptions(string(data), path, value, opts)
func SetRawBytesOptions(json []byte, path string, value []byte,
opts *Options) ([]byte, error) {
jstr := *(*string)(unsafe.Pointer(&json))
vstr := *(*string)(unsafe.Pointer(&value))
var optimistic, inplace bool
if opts != nil {
optimistic = opts.Optimistic
inplace = opts.ReplaceInPlace
}
res, err := set(jstr, path, vstr, false, false, optimistic, inplace)
if err == errNoChange {
return json, nil
}
return res, err
}