Fix URL generation when not at domain root

app/config.py

@@ -179,7 +179,7 @@ if CONFIG.emoji:
     EMOJIS = CONFIG.emoji
 
 # Emoji template for the FE
-EMOJI_TPL = '<img src="/static/twemoji/{filename}.svg" alt="{raw}" class="emoji">'
+EMOJI_TPL = '<img src="{base_url}/static/twemoji/{filename}.svg" alt="{raw}" class="emoji">'
 
 _load_emojis(ROOT_DIR, BASE_URL)
 

app/media.py

@@ -9,7 +9,7 @@ def proxied_media_url(url: str) -> str:
     if url.startswith(BASE_URL):
         return url
 
-    return "/proxy/media/" + base64.urlsafe_b64encode(url.encode()).decode()
+    return BASE_URL + "/proxy/media/" + base64.urlsafe_b64encode(url.encode()).decode()
 
 
 def resized_media_url(url: str, size: int) -> str:

app/templates.py

@@ -59,13 +59,13 @@ def _filter_domain(text: str) -> str:
 
 def _media_proxy_url(url: str | None) -> str:
     if not url:
-        return "/static/nopic.png"
+        return BASE_URL + "/static/nopic.png"
 
     if url.startswith(BASE_URL):
         return url
 
     encoded_url = base64.urlsafe_b64encode(url.encode()).decode()
-    return f"/proxy/media/{encoded_url}"
+    return BASE_URL + f"/proxy/media/{encoded_url}"
 
 
 def is_current_user_admin(request: Request) -> bool:
@@ -388,7 +388,7 @@ def _html2text(content: str) -> str:
 
 def _replace_emoji(u: str, _) -> str:
     filename = "-".join(hex(ord(c))[2:] for c in u)
-    return config.EMOJI_TPL.format(filename=filename, raw=u)
+    return config.EMOJI_TPL.format(base_url=BASE_URL, filename=filename, raw=u)
 
 
 def _emojify(text: str, is_local: bool) -> str:

app/templates/admin_new.html

@@ -90,5 +90,5 @@
     </p>
 </form>
 </div>
-<script src="/static/new.js?v={{ JS_HASH }}"></script>
+<script src="{{ BASE_URL }}/static/new.js?v={{ JS_HASH }}"></script>
 {% endblock %}

app/templates/header.html

@@ -25,7 +25,7 @@
 </div>
 
 {%- macro header_link(url, text) -%}
-{% set url_for = request.app.router.url_path_for(url) %}
+{% set url_for = BASE_URL + request.app.router.url_path_for(url) %}
 <a href="{{ url_for }}" {% if request.url.path == url_for %}class="active"{% endif %}>{{ text }}</a>
 {% endmacro %}
 

app/templates/layout.html

@@ -4,11 +4,11 @@
 <meta charset="utf-8">
 <meta http-equiv="x-ua-compatible" content="ie=edge">
 <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
-<link rel="stylesheet" href="/static/css/main.css?v={{ CSS_HASH }}">
+<link rel="stylesheet" href="{{ BASE_URL }}/static/css/main.css?v={{ CSS_HASH }}">
 <link rel="alternate" title="{{ local_actor.display_name}}'s microblog" type="application/json" href="{{ url_for("json_feed") }}" />
 <link rel="alternate" href="{{ url_for("rss_feed") }}" type="application/rss+xml" title="{{ local_actor.display_name}}'s microblog">
 <link rel="alternate" href="{{ url_for("atom_feed") }}" type="application/atom+xml" title="{{ local_actor.display_name}}'s microblog">
-<link rel="icon" type="image/x-icon" href="/static/favicon.ico">
+<link rel="icon" type="image/x-icon" href="{{ BASE_URL }}/static/favicon.ico">
 <style>{{ highlight_css }}</style>
 {% block head %}{% endblock %}
 </head>
@@ -18,7 +18,7 @@
 {% if is_admin %}
 <div id="admin">
 {% macro admin_link(url, text) %}
-{% set url_for = request.app.router.url_path_for(url) %}
+{% set url_for = BASE_URL + request.app.router.url_path_for(url) %}
 <a href="{{ url_for }}" {% if request.url.path == url_for %}class="active"{% endif %}>{{ text }}</a>
 {% endmacro %}
 <div class="admin-menu">
@@ -53,7 +53,7 @@
     </div>
 </footer>
 {% if is_admin %}
-<script src="/static/common-admin.js?v={{ JS_HASH }}"></script>
+<script src="{{ BASE_URL }}/static/common-admin.js?v={{ JS_HASH }}"></script>
 {% endif %}
 </body>
 </html>

app/templates/utils.html

@@ -124,14 +124,14 @@
 {% endmacro %}
 
 {% macro admin_reply_button(ap_object_id) %}
-<form action="/admin/new"  method="GET">
+<form action="{{ BASE_URL }}/admin/new"  method="GET">
 <input type="hidden" name="in_reply_to" value="{{ ap_object_id }}">
 <button type="submit">reply</button>
 </form> 
 {% endmacro %}
 
 {% macro admin_dm_button(actor_handle) %}
-<form action="/admin/new"  method="GET">
+<form action="{{ BASE_URL }}/admin/new"  method="GET">
 <input type="hidden" name="with_content" value="{{ actor_handle }}">
 <input type="hidden" name="with_visibility" value="DIRECT">
 <button type="submit">direct message</button>
@@ -139,7 +139,7 @@
 {% endmacro %}
 
 {% macro admin_mention_button(actor_handle) %}
-<form action="/admin/new"  method="GET">
+<form action="{{ BASE_URL }}/admin/new"  method="GET">
 <input type="hidden" name="with_content" value="{{ actor_handle }}">
 <button type="submit">mention</button>
 </form>