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// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package api
import (
l4g "code.google.com/p/log4go"
"fmt"
"github.com/gorilla/mux"
"github.com/mattermost/platform/model"
"github.com/mattermost/platform/utils"
"net/http"
"net/url"
)
func InitOAuth(r *mux.Router) {
l4g.Debug("Initializing oauth api routes")
sr := r.PathPrefix("/oauth").Subrouter()
sr.Handle("/register", ApiUserRequired(registerOAuthApp)).Methods("POST")
sr.Handle("/allow", ApiUserRequired(allowOAuth)).Methods("GET")
}
func registerOAuthApp(c *Context, w http.ResponseWriter, r *http.Request) {
if !utils.Cfg.ServiceSettings.EnableOAuthServiceProvider {
c.Err = model.NewAppError("registerOAuthApp", "The system admin has turned off OAuth service providing.", "")
c.Err.StatusCode = http.StatusNotImplemented
return
}
app := model.OAuthAppFromJson(r.Body)
if app == nil {
c.SetInvalidParam("registerOAuthApp", "app")
return
}
secret := model.NewId()
app.ClientSecret = secret
app.CreatorId = c.Session.UserId
if result := <-Srv.Store.OAuth().SaveApp(app); result.Err != nil {
c.Err = result.Err
return
} else {
app = result.Data.(*model.OAuthApp)
app.ClientSecret = secret
c.LogAudit("client_id=" + app.Id)
w.Write([]byte(app.ToJson()))
return
}
}
func allowOAuth(c *Context, w http.ResponseWriter, r *http.Request) {
if !utils.Cfg.ServiceSettings.EnableOAuthServiceProvider {
c.Err = model.NewAppError("allowOAuth", "The system admin has turned off OAuth service providing.", "")
c.Err.StatusCode = http.StatusNotImplemented
return
}
c.LogAudit("attempt")
w.Header().Set("Content-Type", "application/x-www-form-urlencoded")
responseData := map[string]string{}
responseType := r.URL.Query().Get("response_type")
if len(responseType) == 0 {
c.Err = model.NewAppError("allowOAuth", "invalid_request: Bad response_type", "")
return
}
clientId := r.URL.Query().Get("client_id")
if len(clientId) != 26 {
c.Err = model.NewAppError("allowOAuth", "invalid_request: Bad client_id", "")
return
}
redirectUri := r.URL.Query().Get("redirect_uri")
if len(redirectUri) == 0 {
c.Err = model.NewAppError("allowOAuth", "invalid_request: Missing or bad redirect_uri", "")
return
}
scope := r.URL.Query().Get("scope")
state := r.URL.Query().Get("state")
var app *model.OAuthApp
if result := <-Srv.Store.OAuth().GetApp(clientId); result.Err != nil {
c.Err = model.NewAppError("allowOAuth", "server_error: Error accessing the database", "")
return
} else {
app = result.Data.(*model.OAuthApp)
}
if !app.IsValidRedirectURL(redirectUri) {
c.LogAudit("fail - redirect_uri did not match registered callback")
c.Err = model.NewAppError("allowOAuth", "invalid_request: Supplied redirect_uri did not match registered callback_url", "")
return
}
if responseType != model.AUTHCODE_RESPONSE_TYPE {
responseData["redirect"] = redirectUri + "?error=unsupported_response_type&state=" + state
w.Write([]byte(model.MapToJson(responseData)))
return
}
authData := &model.AuthData{UserId: c.Session.UserId, ClientId: clientId, CreateAt: model.GetMillis(), RedirectUri: redirectUri, State: state, Scope: scope}
authData.Code = model.HashPassword(fmt.Sprintf("%v:%v:%v:%v", clientId, redirectUri, authData.CreateAt, c.Session.UserId))
if result := <-Srv.Store.OAuth().SaveAuthData(authData); result.Err != nil {
responseData["redirect"] = redirectUri + "?error=server_error&state=" + state
w.Write([]byte(model.MapToJson(responseData)))
return
}
c.LogAudit("success")
responseData["redirect"] = redirectUri + "?code=" + url.QueryEscape(authData.Code) + "&state=" + url.QueryEscape(authData.State)
w.Write([]byte(model.MapToJson(responseData)))
}
func RevokeAccessToken(token string) *model.AppError {
schan := Srv.Store.Session().Remove(token)
sessionCache.Remove(token)
var accessData *model.AccessData
if result := <-Srv.Store.OAuth().GetAccessData(token); result.Err != nil {
return model.NewAppError("RevokeAccessToken", "Error getting access token from DB before deletion", "")
} else {
accessData = result.Data.(*model.AccessData)
}
tchan := Srv.Store.OAuth().RemoveAccessData(token)
cchan := Srv.Store.OAuth().RemoveAuthData(accessData.AuthCode)
if result := <-tchan; result.Err != nil {
return model.NewAppError("RevokeAccessToken", "Error deleting access token from DB", "")
}
if result := <-cchan; result.Err != nil {
return model.NewAppError("RevokeAccessToken", "Error deleting authorization code from DB", "")
}
if result := <-schan; result.Err != nil {
return model.NewAppError("RevokeAccessToken", "Error deleting session from DB", "")
}
return nil
}
func GetAuthData(code string) *model.AuthData {
if result := <-Srv.Store.OAuth().GetAuthData(code); result.Err != nil {
l4g.Error("Couldn't find auth code for code=%s", code)
return nil
} else {
return result.Data.(*model.AuthData)
}
}
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