From 2e6fd031d15a9502e7a7a4536febfe49780c0697 Mon Sep 17 00:00:00 2001
From: Joram Wilander <jwawilander@gmail.com>
Date: Tue, 20 Jun 2017 09:55:43 -0400
Subject: Add GET /teams/invite/{invite_id} endpoint for v4 (#6685)

---
 api4/context.go   | 11 +++++++++++
 api4/params.go    |  5 +++++
 api4/team.go      | 25 +++++++++++++++++++++++++
 api4/team_test.go | 21 +++++++++++++++++++++
 model/client4.go  | 10 ++++++++++
 5 files changed, 72 insertions(+)

diff --git a/api4/context.go b/api4/context.go
index 7a908c588..35f343b7a 100644
--- a/api4/context.go
+++ b/api4/context.go
@@ -350,6 +350,17 @@ func (c *Context) RequireTeamId() *Context {
 	return c
 }
 
+func (c *Context) RequireInviteId() *Context {
+	if c.Err != nil {
+		return c
+	}
+
+	if len(c.Params.InviteId) != 26 {
+		c.SetInvalidUrlParam("invite_id")
+	}
+	return c
+}
+
 func (c *Context) RequireChannelId() *Context {
 	if c.Err != nil {
 		return c
diff --git a/api4/params.go b/api4/params.go
index d952eb65a..999bf8e77 100644
--- a/api4/params.go
+++ b/api4/params.go
@@ -19,6 +19,7 @@ const (
 type ApiParams struct {
 	UserId         string
 	TeamId         string
+	InviteId       string
 	ChannelId      string
 	PostId         string
 	FileId         string
@@ -55,6 +56,10 @@ func ApiParamsFromRequest(r *http.Request) *ApiParams {
 		params.TeamId = val
 	}
 
+	if val, ok := props["invite_id"]; ok {
+		params.InviteId = val
+	}
+
 	if val, ok := props["channel_id"]; ok {
 		params.ChannelId = val
 	}
diff --git a/api4/team.go b/api4/team.go
index 57a715937..00a16d5c1 100644
--- a/api4/team.go
+++ b/api4/team.go
@@ -49,6 +49,7 @@ func InitTeam() {
 
 	BaseRoutes.Team.Handle("/import", ApiSessionRequired(importTeam)).Methods("POST")
 	BaseRoutes.Team.Handle("/invite/email", ApiSessionRequired(inviteUsersToTeam)).Methods("POST")
+	BaseRoutes.Teams.Handle("/invite/{invite_id:[A-Za-z0-9]+}", ApiHandler(getInviteInfo)).Methods("GET")
 }
 
 func createTeam(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -687,3 +688,27 @@ func inviteUsersToTeam(c *Context, w http.ResponseWriter, r *http.Request) {
 
 	ReturnStatusOK(w)
 }
+
+func getInviteInfo(c *Context, w http.ResponseWriter, r *http.Request) {
+	c.RequireInviteId()
+	if c.Err != nil {
+		return
+	}
+
+	if team, err := app.GetTeamByInviteId(c.Params.InviteId); err != nil {
+		c.Err = err
+		return
+	} else {
+		if !(team.Type == model.TEAM_OPEN) {
+			c.Err = model.NewAppError("getInviteInfo", "api.team.get_invite_info.not_open_team", nil, "id="+c.Params.InviteId, http.StatusForbidden)
+			return
+		}
+
+		result := map[string]string{}
+		result["display_name"] = team.DisplayName
+		result["description"] = team.Description
+		result["name"] = team.Name
+		result["id"] = team.Id
+		w.Write([]byte(model.MapToJson(result)))
+	}
+}
diff --git a/api4/team_test.go b/api4/team_test.go
index 2aee4ba5f..78ddc8e84 100644
--- a/api4/team_test.go
+++ b/api4/team_test.go
@@ -1453,3 +1453,24 @@ func TestInviteUsersToTeam(t *testing.T) {
 		}
 	}
 }
+
+func TestGetTeamInviteInfo(t *testing.T) {
+	th := Setup().InitBasic()
+	defer TearDown()
+	Client := th.Client
+	team := th.BasicTeam
+
+	team, resp := Client.GetTeamInviteInfo(team.InviteId)
+	CheckNoError(t, resp)
+
+	if team.DisplayName == "" {
+		t.Fatal("should not be empty")
+	}
+
+	if team.Email != "" {
+		t.Fatal("should be empty")
+	}
+
+	_, resp = Client.GetTeamInviteInfo("junk")
+	CheckBadRequestStatus(t, resp)
+}
diff --git a/model/client4.go b/model/client4.go
index efe12a3b9..be8a689f2 100644
--- a/model/client4.go
+++ b/model/client4.go
@@ -1204,6 +1204,16 @@ func (c *Client4) InviteUsersToTeam(teamId string, userEmails []string) (bool, *
 	}
 }
 
+// GetTeamInviteInfo returns a team object from an invite id containing sanitized information.
+func (c *Client4) GetTeamInviteInfo(inviteId string) (*Team, *Response) {
+	if r, err := c.DoApiGet(c.GetTeamsRoute()+"/invite/"+inviteId, ""); err != nil {
+		return nil, &Response{StatusCode: r.StatusCode, Error: err}
+	} else {
+		defer closeBody(r)
+		return TeamFromJson(r.Body), BuildResponse(r)
+	}
+}
+
 // Channel Section
 
 // CreateChannel creates a channel based on the provided channel struct.
-- 
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