From 0bc3e46082d9018188262f9cb8fdbc206d0656a0 Mon Sep 17 00:00:00 2001
From: Joram Wilander <jwawilander@gmail.com>
Date: Thu, 16 Mar 2017 14:59:44 -0400
Subject: Implement GET /logs endpoint for APIv4 (#5778)

---
 api4/system.go      | 17 +++++++++++++++++
 api4/system_test.go | 41 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+)

(limited to 'api4')

diff --git a/api4/system.go b/api4/system.go
index d33be0c66..f12d802ef 100644
--- a/api4/system.go
+++ b/api4/system.go
@@ -21,6 +21,8 @@ func InitSystem() {
 	BaseRoutes.ApiRoot.Handle("/email/test", ApiSessionRequired(testEmail)).Methods("POST")
 	BaseRoutes.ApiRoot.Handle("/database/recycle", ApiSessionRequired(databaseRecycle)).Methods("POST")
 	BaseRoutes.ApiRoot.Handle("/caches/invalidate", ApiSessionRequired(invalidateCaches)).Methods("POST")
+
+	BaseRoutes.ApiRoot.Handle("/logs", ApiSessionRequired(getLogs)).Methods("GET")
 }
 
 func getSystemPing(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -94,3 +96,18 @@ func invalidateCaches(c *Context, w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Cache-Control", "no-cache, no-store, must-revalidate")
 	ReturnStatusOK(w)
 }
+
+func getLogs(c *Context, w http.ResponseWriter, r *http.Request) {
+	if !app.SessionHasPermissionTo(c.Session, model.PERMISSION_MANAGE_SYSTEM) {
+		c.SetPermissionError(model.PERMISSION_MANAGE_SYSTEM)
+		return
+	}
+
+	lines, err := app.GetLogs(c.Params.Page, c.Params.PerPage)
+	if err != nil {
+		c.Err = err
+		return
+	}
+
+	w.Write([]byte(model.ArrayToJson(lines)))
+}
diff --git a/api4/system_test.go b/api4/system_test.go
index 4da91f428..80b4996ca 100644
--- a/api4/system_test.go
+++ b/api4/system_test.go
@@ -4,6 +4,7 @@ import (
 	"strings"
 	"testing"
 
+	l4g "github.com/alecthomas/log4go"
 	"github.com/mattermost/platform/model"
 	"github.com/mattermost/platform/utils"
 )
@@ -145,3 +146,43 @@ func TestInvalidateCaches(t *testing.T) {
 		t.Fatal("should clean the cache")
 	}
 }
+
+func TestGetLogs(t *testing.T) {
+	th := Setup().InitBasic().InitSystemAdmin()
+	defer TearDown()
+	Client := th.Client
+
+	for i := 0; i < 20; i++ {
+		l4g.Info(i)
+	}
+
+	logs, resp := th.SystemAdminClient.GetLogs(0, 10)
+	CheckNoError(t, resp)
+
+	if len(logs) != 10 {
+		t.Log(len(logs))
+		t.Fatal("wrong length")
+	}
+
+	logs, resp = th.SystemAdminClient.GetLogs(1, 10)
+	CheckNoError(t, resp)
+
+	if len(logs) != 10 {
+		t.Log(len(logs))
+		t.Fatal("wrong length")
+	}
+
+	logs, resp = th.SystemAdminClient.GetLogs(-1, -1)
+	CheckNoError(t, resp)
+
+	if len(logs) != 0 {
+		t.Fatal("should not be empty")
+	}
+
+	_, resp = Client.GetLogs(0, 10)
+	CheckForbiddenStatus(t, resp)
+
+	Client.Logout()
+	_, resp = Client.GetLogs(0, 10)
+	CheckUnauthorizedStatus(t, resp)
+}
-- 
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