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// Copyright (c) 2017 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package api4
import (
"net/http"
l4g "github.com/alecthomas/log4go"
"github.com/mattermost/platform/app"
"github.com/mattermost/platform/model"
"github.com/mattermost/platform/utils"
)
func InitChannel() {
l4g.Debug(utils.T("api.channel.init.debug"))
BaseRoutes.Channels.Handle("", ApiSessionRequired(createChannel)).Methods("POST")
BaseRoutes.Channels.Handle("/direct", ApiSessionRequired(createDirectChannel)).Methods("POST")
BaseRoutes.ChannelMembers.Handle("", ApiSessionRequired(getChannelMembers)).Methods("GET")
BaseRoutes.ChannelMembersForUser.Handle("", ApiSessionRequired(getChannelMembersForUser)).Methods("GET")
BaseRoutes.ChannelMember.Handle("", ApiSessionRequired(getChannelMember)).Methods("GET")
}
func createChannel(c *Context, w http.ResponseWriter, r *http.Request) {
channel := model.ChannelFromJson(r.Body)
if channel == nil {
c.SetInvalidParam("channel")
return
}
if channel.Type == model.CHANNEL_OPEN && !app.SessionHasPermissionToTeam(c.Session, channel.TeamId, model.PERMISSION_CREATE_PUBLIC_CHANNEL) {
c.SetPermissionError(model.PERMISSION_CREATE_PUBLIC_CHANNEL)
return
}
if channel.Type == model.CHANNEL_PRIVATE && !app.SessionHasPermissionToTeam(c.Session, channel.TeamId, model.PERMISSION_CREATE_PRIVATE_CHANNEL) {
c.SetPermissionError(model.PERMISSION_CREATE_PRIVATE_CHANNEL)
return
}
if sc, err := app.CreateChannelWithUser(channel, c.Session.UserId); err != nil {
c.Err = err
return
} else {
c.LogAudit("name=" + channel.Name)
w.WriteHeader(http.StatusCreated)
w.Write([]byte(sc.ToJson()))
}
}
func createDirectChannel(c *Context, w http.ResponseWriter, r *http.Request) {
userIds := model.ArrayFromJson(r.Body)
allowed := false
if len(userIds) != 2 {
c.SetInvalidParam("user_ids")
return
}
for _, id := range userIds {
if len(id) != 26 {
c.SetInvalidParam("user_id")
return
}
if id == c.Session.UserId {
allowed = true
}
}
if !app.SessionHasPermissionTo(c.Session, model.PERMISSION_CREATE_DIRECT_CHANNEL) {
c.SetPermissionError(model.PERMISSION_CREATE_DIRECT_CHANNEL)
return
}
if !allowed && !app.SessionHasPermissionTo(c.Session, model.PERMISSION_MANAGE_SYSTEM) {
c.SetPermissionError(model.PERMISSION_MANAGE_SYSTEM)
return
}
if sc, err := app.CreateDirectChannel(userIds[0], userIds[1]); err != nil {
c.Err = err
return
} else {
w.WriteHeader(http.StatusCreated)
w.Write([]byte(sc.ToJson()))
}
}
func getChannelMembers(c *Context, w http.ResponseWriter, r *http.Request) {
c.RequireChannelId()
if c.Err != nil {
return
}
if !app.SessionHasPermissionToChannel(c.Session, c.Params.ChannelId, model.PERMISSION_READ_CHANNEL) {
c.SetPermissionError(model.PERMISSION_READ_CHANNEL)
return
}
if members, err := app.GetChannelMembersPage(c.Params.ChannelId, c.Params.Page, c.Params.PerPage); err != nil {
c.Err = err
return
} else {
w.Write([]byte(members.ToJson()))
}
}
func getChannelMember(c *Context, w http.ResponseWriter, r *http.Request) {
c.RequireChannelId().RequireUserId()
if c.Err != nil {
return
}
if !app.SessionHasPermissionToChannel(c.Session, c.Params.ChannelId, model.PERMISSION_READ_CHANNEL) {
c.SetPermissionError(model.PERMISSION_READ_CHANNEL)
return
}
if member, err := app.GetChannelMember(c.Params.ChannelId, c.Params.UserId); err != nil {
c.Err = err
return
} else {
w.Write([]byte(member.ToJson()))
}
}
func getChannelMembersForUser(c *Context, w http.ResponseWriter, r *http.Request) {
c.RequireUserId().RequireTeamId()
if c.Err != nil {
return
}
if !app.SessionHasPermissionToTeam(c.Session, c.Params.TeamId, model.PERMISSION_VIEW_TEAM) {
c.SetPermissionError(model.PERMISSION_VIEW_TEAM)
return
}
if c.Session.UserId != c.Params.UserId && !app.SessionHasPermissionToTeam(c.Session, c.Params.TeamId, model.PERMISSION_MANAGE_SYSTEM) {
c.SetPermissionError(model.PERMISSION_MANAGE_SYSTEM)
return
}
if members, err := app.GetChannelMembersForUser(c.Params.TeamId, c.Params.UserId); err != nil {
c.Err = err
return
} else {
w.Write([]byte(members.ToJson()))
}
}
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