From 98186e5018bbc604796d4f9762c93f4f75e2913f Mon Sep 17 00:00:00 2001
From: JoramWilander <jwawilander@gmail.com>
Date: Mon, 21 Sep 2015 14:22:23 -0400
Subject: Implement incoming webhooks.

---
 api/webhook.go | 119 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 api/webhook.go

(limited to 'api/webhook.go')

diff --git a/api/webhook.go b/api/webhook.go
new file mode 100644
index 000000000..9ca725d45
--- /dev/null
+++ b/api/webhook.go
@@ -0,0 +1,119 @@
+// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package api
+
+import (
+	l4g "code.google.com/p/log4go"
+	"github.com/gorilla/mux"
+	"github.com/mattermost/platform/model"
+	"github.com/mattermost/platform/utils"
+	"net/http"
+)
+
+func InitWebhook(r *mux.Router) {
+	l4g.Debug("Initializing webhook api routes")
+
+	sr := r.PathPrefix("/hooks").Subrouter()
+	sr.Handle("/incoming/create", ApiUserRequired(createIncomingHook)).Methods("POST")
+	sr.Handle("/incoming/delete", ApiUserRequired(deleteIncomingHook)).Methods("POST")
+	sr.Handle("/incoming/list", ApiUserRequired(getIncomingHooks)).Methods("GET")
+}
+
+func createIncomingHook(c *Context, w http.ResponseWriter, r *http.Request) {
+	if !utils.Cfg.ServiceSettings.AllowIncomingWebhooks {
+		c.Err = model.NewAppError("createIncomingHook", "Incoming webhooks have been disabled by the system admin.", "")
+		c.Err.StatusCode = http.StatusNotImplemented
+		return
+	}
+
+	c.LogAudit("attempt")
+
+	hook := model.IncomingWebhookFromJson(r.Body)
+
+	if hook == nil {
+		c.SetInvalidParam("createIncomingHook", "webhook")
+		return
+	}
+
+	cchan := Srv.Store.Channel().Get(hook.ChannelId)
+	pchan := Srv.Store.Channel().CheckPermissionsTo(c.Session.TeamId, hook.ChannelId, c.Session.UserId)
+
+	hook.UserId = c.Session.UserId
+	hook.TeamId = c.Session.TeamId
+
+	var channel *model.Channel
+	if result := <-cchan; result.Err != nil {
+		c.Err = result.Err
+		return
+	} else {
+		channel = result.Data.(*model.Channel)
+	}
+
+	if !c.HasPermissionsToChannel(pchan, "createIncomingHook") && channel.Type != model.CHANNEL_OPEN {
+		c.LogAudit("fail - bad channel permissions")
+		return
+	}
+
+	if result := <-Srv.Store.Webhook().SaveIncoming(hook); result.Err != nil {
+		c.Err = result.Err
+		return
+	} else {
+		c.LogAudit("success")
+		rhook := result.Data.(*model.IncomingWebhook)
+		w.Write([]byte(rhook.ToJson()))
+	}
+}
+
+func deleteIncomingHook(c *Context, w http.ResponseWriter, r *http.Request) {
+	if !utils.Cfg.ServiceSettings.AllowIncomingWebhooks {
+		c.Err = model.NewAppError("createIncomingHook", "Incoming webhooks have been disabled by the system admin.", "")
+		c.Err.StatusCode = http.StatusNotImplemented
+		return
+	}
+
+	c.LogAudit("attempt")
+
+	props := model.MapFromJson(r.Body)
+
+	id := props["id"]
+	if len(id) == 0 {
+		c.SetInvalidParam("deleteIncomingHook", "id")
+		return
+	}
+
+	if result := <-Srv.Store.Webhook().GetIncoming(id); result.Err != nil {
+		c.Err = result.Err
+		return
+	} else {
+		if c.Session.UserId != result.Data.(*model.IncomingWebhook).UserId && !model.IsInRole(c.Session.Roles, model.ROLE_TEAM_ADMIN) {
+			c.LogAudit("fail - inappropriate conditions")
+			c.Err = model.NewAppError("deleteIncomingHook", "Inappropriate permissions to delete incoming webhook", "user_id="+c.Session.UserId)
+			return
+		}
+	}
+
+	if err := (<-Srv.Store.Webhook().DeleteIncoming(id, model.GetMillis())).Err; err != nil {
+		c.Err = err
+		return
+	}
+
+	c.LogAudit("success")
+	w.Write([]byte(model.MapToJson(props)))
+}
+
+func getIncomingHooks(c *Context, w http.ResponseWriter, r *http.Request) {
+	if !utils.Cfg.ServiceSettings.AllowIncomingWebhooks {
+		c.Err = model.NewAppError("createIncomingHook", "Incoming webhooks have been disabled by the system admin.", "")
+		c.Err.StatusCode = http.StatusNotImplemented
+		return
+	}
+
+	if result := <-Srv.Store.Webhook().GetIncomingByUser(c.Session.UserId); result.Err != nil {
+		c.Err = result.Err
+		return
+	} else {
+		hooks := result.Data.([]*model.IncomingWebhook)
+		w.Write([]byte(model.IncomingWebhookListToJson(hooks)))
+	}
+}
-- 
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