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fix oob oauth to use localhost and update elements bucket #798

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merged 3 commits into from
Nov 9, 2022
Merged

fix oob oauth to use localhost and update elements bucket #798

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c9e6704
fix oob oauth to use localhost and update elements bucket
mco-gh Nov 6, 2022
406afee
don't display auth code in browser window
mco-gh Nov 6, 2022
c63eac7
fix var name comment
mco-gh Nov 9, 2022
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30 changes: 25 additions & 5 deletions claat/fetch/drive/auth/auth.go
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ import (
"fmt"
"io/ioutil"
"log"
"net"
"net/http"
"os"
"path"
Expand All @@ -43,14 +44,33 @@ var (
ClientID: googClient,
ClientSecret: googSecret,
Scopes: []string{scopeDriveReadOnly},
RedirectURL: "urn:ietf:wg:oauth:2.0:oob",
RedirectURL: "http://localhost:8091",
Endpoint: oauth2.Endpoint{
AuthURL: "https://accounts.google.com/o/oauth2/auth",
TokenURL: "https://accounts.google.com/o/oauth2/token",
},
}
)

// The webserver waits for an oauth code in the three-legged auth flow.
func startWebServer() (code string, err error) {
listener, err := net.Listen("tcp", "localhost:8091")
if err != nil {
return "", err
}
codeCh := make(chan string)

go http.Serve(listener, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
code := r.FormValue("code")
codeCh <- code // send code to OAuth flow
listener.Close()
w.Header().Set("Content-Type", "text/plain")
fmt.Fprintf(w, "Received oauth code\r\nYou can now safely close this browser window.")
}))
code = <- codeCh
return code, nil
}

type authorizationHandler func(conf *oauth2.Config) (*oauth2.Token, error)

type internalOptions struct {
Expand Down Expand Up @@ -214,10 +234,10 @@ func (c *cachedTokenSource) Token() (*oauth2.Token, error) {

// authorize performs user authorization flow, asking for permissions grant.
func authorize(conf *oauth2.Config) (*oauth2.Token, error) {
aurl := conf.AuthCodeURL("unused", oauth2.AccessTypeOffline)
fmt.Printf("Authorize me at following URL, please:\n\n%s\n\nCode: ", aurl)
var code string
if _, err := fmt.Scan(&code); err != nil {
aURL := conf.AuthCodeURL("unused", oauth2.AccessTypeOffline)
fmt.Printf("Authorize me at following URL, please:\n\n%s\n", aURL)
code, err := startWebServer()
if err != nil {
return nil, err
}
return conf.Exchange(context.Background(), code)
Expand Down
10 changes: 5 additions & 5 deletions claat/render/template.html
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@
<title>{{.Meta.Title}}</title>
<link rel="stylesheet" href="//fonts.googleapis.com/css?family=Source+Code+Pro:400|Roboto:400,300,400italic,500,700|Roboto+Mono">
<link rel="stylesheet" href="//fonts.googleapis.com/icon?family=Material+Icons">
<link rel="stylesheet" href="{{.Prefix}}/codelab-elements/codelab-elements.css">
<link rel="stylesheet" href="{{.Prefix}}/claat-public/codelab-elements.css">
<style>
.success {
color: #1e8e3e;
Expand All @@ -47,10 +47,10 @@
{{end}}{{end}}
</google-codelab>

<script src="{{.Prefix}}/codelab-elements/native-shim.js"></script>
<script src="{{.Prefix}}/codelab-elements/custom-elements.min.js"></script>
<script src="{{.Prefix}}/codelab-elements/prettify.js"></script>
<script src="{{.Prefix}}/codelab-elements/codelab-elements.js"></script>
<script src="{{.Prefix}}/claat-public/native-shim.js"></script>
<script src="{{.Prefix}}/claat-public/custom-elements.min.js"></script>
<script src="{{.Prefix}}/claat-public/prettify.js"></script>
<script src="{{.Prefix}}/claat-public/codelab-elements.js"></script>
<script src="//support.google.com/inapp/api.js"></script>

</body>
Expand Down