auth
2014-08-16
Parent:9fe684b33b3d
auth/context.go
Check session before rendering confirmation page. The confirmation page should not be rendered until the session is set. Check the request method, then check the session, then finally render the confirmation page, should we need to.
1 package auth
3 import (
4 "encoding/json"
5 "html/template"
6 "io"
7 "log"
8 "net/http"
10 "github.com/justinas/nosurf"
11 )
13 type Context struct {
14 Config ServerConfig
15 Clients ClientStore
16 Tokens TokenStore
17 Profiles ProfileStore
18 Sessions SessionStore
19 Log *log.Logger
20 Templates Templates
21 }
23 type Templates struct {
24 Error *template.Template
25 Confirmation *template.Template
26 Login *template.Template
27 }
29 type jsonError struct {
30 Error string `json:"error,omitempty"`
31 Description string `json:"error_description,omitempty"`
32 URI string `json:"error_uri,omitempty"`
33 State string `json:"state,omitempty"`
34 }
36 func (c Context) RenderError(w io.Writer, err error) {
37 if c.Templates.Error == nil {
38 log.Println("Error template is nil, can't render error.")
39 return
40 }
41 renderErr := c.Templates.Error.Execute(w, map[string]interface{}{
42 "err": err,
43 })
44 if renderErr != nil {
45 log.Printf("Error executing error template (oh, the irony): %s\n", renderErr)
46 return
47 }
48 }
50 func (c Context) RenderJSONError(w io.Writer, code, description, baseURI string) {
51 d, err := json.Marshal(jsonError{
52 Error: code,
53 Description: description,
54 URI: baseURI,
55 })
56 if err != nil {
57 log.Printf("Error marshalling json error (oh, the irony): %s\n", err)
58 return
59 }
60 _, err = w.Write(d)
61 if err != nil {
62 log.Printf("Error writing json error: %s\n", err)
63 return
64 }
65 }
67 func (c Context) RenderConfirmation(w io.Writer, r *http.Request, req AuthRequest) {
68 if c.Templates.Confirmation == nil {
69 log.Println("Confirmation template is nil, can't render confirmation.")
70 return
71 }
72 err := c.Templates.Confirmation.Execute(w, map[string]interface{}{
73 "scope": req.Scope,
74 "client": req.Client,
75 "csrf_token": nosurf.Token(r),
76 })
77 if err != nil {
78 log.Printf("Error executing confirmation template: %s\n", err)
79 return
80 }
81 }
83 func (c Context) RenderLogin(w io.Writer, r *http.Request) {
84 if c.Templates.Login == nil {
85 log.Println("Login template is nil, can't render confirmation.")
86 return
87 }
88 err := c.Templates.Login.Execute(w, map[string]interface{}{
89 "csrf_token": nosurf.Token(r),
90 })
91 if err != nil {
92 log.Printf("Error executing login template: %s\n", err)
93 return
94 }
95 }
97 func (c Context) RenderJSONToken(w io.Writer, data AccessData) {
98 d, err := json.Marshal(data)
99 if err != nil {
100 log.Printf("Error marshalling json token: %s\n", err)
101 return
102 }
103 _, err = w.Write(d)
104 if err != nil {
105 log.Printf("Error writing json token: %s\n", err)
106 return
107 }
108 }