commit 00d7d8ddee2c18248581ceb79d49d68dd5cb8ea6 · bretton.dev/coves

+143 -2
internal/atproto/oauth/handlers.go
···

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       	"context"

     

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       	"encoding/json"

     

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       	"fmt"

     

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       	"html/template"

     

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       	"log/slog"

     

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       	"net/http"

     

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       	"net/url"

     
···

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       	"github.com/bluesky-social/indigo/atproto/auth/oauth"

     

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       	"github.com/bluesky-social/indigo/atproto/syntax"

     

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       )

     

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       // mobileCallbackTemplate is the intermediate page shown after OAuth completes

     

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       // before redirecting to the mobile app via custom scheme.

     

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       // This prevents the browser from showing a stale PDS page after the redirect.

     

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       var mobileCallbackTemplate = template.Must(template.New("mobile_callback").Parse(`<!DOCTYPE html>

     

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       <html lang="en">

     

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       <head>

     

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         <meta charset="utf-8">

     

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         <meta name="viewport" content="width=device-width, initial-scale=1">

     

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         <title>Login Complete - Coves</title>

     

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         <meta http-equiv="refresh" content="1;url={{.DeepLink}}">

     

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         <style>

     

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           * { box-sizing: border-box; margin: 0; padding: 0; }

     

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           body {

     

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             font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

     

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             background: #0B0F14;

     

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             color: #e4e6e7;

     

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             min-height: 100vh;

     

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             display: flex;

     

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             justify-content: center;

     

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             align-items: center;

     

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             padding: 24px;

     

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           }

     

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           .card {

     

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             text-align: center;

     

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             max-width: 320px;

     

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           }

     

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           .logo {

     

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             width: 80px;

     

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             height: 80px;

     

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             margin: 0 auto 16px;

     

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           }

     

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           .checkmark {

     

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             width: 64px;

     

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             height: 64px;

     

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             margin: 0 auto 24px;

     

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             background: #FF6B35;

     

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             border-radius: 50%;

     

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             display: flex;

     

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             align-items: center;

     

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             justify-content: center;

     

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             animation: scale-in 0.3s ease-out;

     

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           }

     

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           .checkmark svg {

     

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             width: 32px;

     

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             height: 32px;

     

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             stroke: white;

     

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             stroke-width: 3;

     

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             fill: none;

     

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           }

     

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           @keyframes scale-in {

     

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             0% { transform: scale(0); }

     

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             50% { transform: scale(1.1); }

     

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             100% { transform: scale(1); }

     

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           }

     

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           h1 {

     

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             font-size: 24px;

     

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             font-weight: 600;

     

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             margin-bottom: 8px;

     

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             color: #e4e6e7;

     

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           }

     

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           .subtitle {

     

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             font-size: 16px;

     

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             color: #B6C2D2;

     

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             margin-bottom: 24px;

     

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           }

     

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           .handle {

     

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             font-size: 14px;

     

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             color: #7CB9E8;

     

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             background: #1A1F26;

     

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             padding: 8px 16px;

     

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             border-radius: 8px;

     

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             margin-bottom: 24px;

     

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             display: inline-block;

     

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           }

     

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           .hint {

     

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             font-size: 13px;

     

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             color: #6B7280;

     

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             line-height: 1.5;

     

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           }

     

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           .spinner {

     

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             width: 20px;

     

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             height: 20px;

     

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             border: 2px solid #2A2F36;

     

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             border-top-color: #FF6B35;

     

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             border-radius: 50%;

     

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             animation: spin 1s linear infinite;

     

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             display: inline-block;

     

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             vertical-align: middle;

     

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             margin-right: 8px;

     

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           }

     

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           @keyframes spin {

     

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             to { transform: rotate(360deg); }

     

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           }

     

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         </style>

     

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       </head>

     

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       <body>

     

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         <div class="card">

     

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           <div class="checkmark">

     

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             <svg viewBox="0 0 24 24">

     

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               <polyline points="20 6 9 17 4 12"></polyline>

     

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             </svg>

     

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           </div>

     

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           <h1>Login Complete</h1>

     

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           <p class="subtitle">

     

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             <span class="spinner"></span>

     

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             Returning to Coves...

     

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           </p>

     

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           {{if .Handle}}

     

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           <div class="handle">@{{.Handle}}</div>

     

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           {{end}}

     

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           <p class="hint">If the app doesn't open automatically,<br>you can close this window.</p>

     

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         </div>

     

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         <script>

     

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           // Redirect to app immediately

     

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           window.location.href = {{.DeepLink}};

     

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           // Try to close window after a delay

     

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           setTimeout(function() {

     

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             window.close();

     

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           }, 1500);

     

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         </script>

     

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       </body>

     

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       </html>

     

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       `))

     

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       // MobileOAuthStore interface for mobile-specific OAuth operations

     

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       // This extends the base OAuth store with mobile CSRF tracking

     
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       	// Log mobile redirect (sanitized - no token or session ID to avoid leaking credentials)

     

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       	slog.Info("redirecting to mobile app", "did", sessData.AccountDID, "handle", handle)

     

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       	// Redirect to mobile app deep link

     

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       	http.Redirect(w, r, deepLink, http.StatusFound)

     

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       	// Serve intermediate page that redirects to the app

     

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       	// This prevents the browser from showing a stale PDS page after the custom scheme redirect

     

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       	w.Header().Set("Content-Type", "text/html; charset=utf-8")

     

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       	w.Header().Set("Cache-Control", "no-store, no-cache, must-revalidate")

     

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       	data := struct {

     

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       		DeepLink string

     

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       		Handle   string

     

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       	}{

     

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       		DeepLink: deepLink,

     

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       		Handle:   handle,

     

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       	}

     

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       	if err := mobileCallbackTemplate.Execute(w, data); err != nil {

     

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       		slog.Error("failed to render mobile callback template", "error", err)

     

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       		// Fallback to direct redirect if template fails

     

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       		http.Redirect(w, r, deepLink, http.StatusFound)

     

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       	}

     

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       }

     

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       // HandleLogout revokes the session and clears cookies