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| author | Debanshu Kundu <debanshu.kundu@joshtechnologygroup.com> | 2017-01-20 23:11:13 +0530 |
|---|---|---|
| committer | enahum <nahumhbl@gmail.com> | 2017-01-20 14:41:13 -0300 |
| commit | 3aaf71fdea914af1a7f2b2fb97bb6ae44132fcc4 (patch) | |
| tree | b954407a03a6c0ed9836d8b14d910fc52c8dc1dc /api | |
| parent | fefe4b70d9e69910a8e3acd6890497553b5eff2f (diff) | |
| download | chat-3aaf71fdea914af1a7f2b2fb97bb6ae44132fcc4.tar.gz chat-3aaf71fdea914af1a7f2b2fb97bb6ae44132fcc4.tar.bz2 chat-3aaf71fdea914af1a7f2b2fb97bb6ae44132fcc4.zip | |
#4257 Added functionality to create previews for post links using open graph data from those links. (#4890)
Diffstat (limited to 'api')
| -rw-r--r-- | api/post.go | 29 | ||||
| -rw-r--r-- | api/post_test.go | 31 |
2 files changed, 60 insertions, 0 deletions
diff --git a/api/post.go b/api/post.go index 0e3ad2aa5..ba089ec4f 100644 --- a/api/post.go +++ b/api/post.go @@ -8,6 +8,7 @@ import ( "strconv" l4g "github.com/alecthomas/log4go" + "github.com/dyatlov/go-opengraph/opengraph" "github.com/gorilla/mux" "github.com/mattermost/platform/app" "github.com/mattermost/platform/model" @@ -18,6 +19,8 @@ import ( func InitPost() { l4g.Debug(utils.T("api.post.init.debug")) + BaseRoutes.ApiRoot.Handle("/get_opengraph_metadata", ApiUserRequired(getOpenGraphMetadata)).Methods("POST") + BaseRoutes.NeedTeam.Handle("/posts/search", ApiUserRequiredActivity(searchPosts, true)).Methods("POST") BaseRoutes.NeedTeam.Handle("/posts/flagged/{offset:[0-9]+}/{limit:[0-9]+}", ApiUserRequired(getFlaggedPosts)).Methods("GET") BaseRoutes.NeedTeam.Handle("/posts/{post_id}", ApiUserRequired(getPostById)).Methods("GET") @@ -649,3 +652,29 @@ func getFileInfosForPost(c *Context, w http.ResponseWriter, r *http.Request) { w.Write([]byte(model.FileInfosToJson(infos))) } } + +func getOpenGraphMetadata(c *Context, w http.ResponseWriter, r *http.Request) { + props := model.StringInterfaceFromJson(r.Body) + og := opengraph.NewOpenGraph() + + res, err := http.Get(props["url"].(string)) + if err != nil { + writeOpenGraphToResponse(w, og) + return + } + + if err := og.ProcessHTML(res.Body); err != nil { + writeOpenGraphToResponse(w, og) + return + } + + writeOpenGraphToResponse(w, og) +} + +func writeOpenGraphToResponse(w http.ResponseWriter, og *opengraph.OpenGraph) { + ogJson, err := og.ToJSON() + if err != nil { + w.Write([]byte(`{"url": ""}`)) + } + w.Write(ogJson) +} diff --git a/api/post_test.go b/api/post_test.go index 4d3ee80b5..d382786cc 100644 --- a/api/post_test.go +++ b/api/post_test.go @@ -5,6 +5,7 @@ package api import ( "encoding/json" + "fmt" "net/http" "net/http/httptest" "net/url" @@ -1298,3 +1299,33 @@ func TestGetPermalinkTmp(t *testing.T) { t.Fatal("should not be empty") } } + +func TestGetOpenGraphMetadata(t *testing.T) { + th := Setup().InitBasic() + Client := th.BasicClient + + ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + if r.URL.Path == "/og-data/" { + fmt.Fprintln(w, ` + <html><head><meta property="og:type" content="article" /> + <meta property="og:title" content="Test Title" /> + <meta property="og:url" content="http://example.com/" /> + </head><body></body></html> + `) + } else if r.URL.Path == "/no-og-data/" { + fmt.Fprintln(w, `<html><head></head><body></body></html>`) + } + })) + + for _, data := range [](map[string]string){{"path": "/og-data/", "title": "Test Title"}, {"path": "/no-og-data/", "title": ""}} { + res, err := Client.DoApiPost("/get_opengraph_metadata", fmt.Sprintf("{\"url\":\"%s\"}", ts.URL+data["path"])) + if err != nil { + t.Fatal(err) + } + + ogData := model.StringInterfaceFromJson(res.Body) + if strings.Compare(ogData["title"].(string), data["title"]) != 0 { + t.Fatal(fmt.Sprintf("OG data title mismatch for path \"%s\". Expected title: \"%s\". Actual title: \"%s\"", data["path"], data["title"], ogData["title"])) + } + } +} |