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feat: media-browser: preview for local files

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This commit is contained in:
yukkop
2026-05-23 11:56:04 +00:00
parent e38bf7582d
commit 7dc66abc21
2 changed files with 96 additions and 8 deletions
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2
nixos/module/hectic/service/matrix.nix
View File

@@ -143,7 +143,7 @@ in {
maxUploadSize = lib.mkOption {
type = lib.types.str;
default = "100M";
default = "2G";
description = ''
Maximum file upload size accepted by Synapse and nginx.
'';

100
package/media-browser/app.py
View File

@@ -207,11 +207,30 @@ def api_sync_status():
except Exception as e:
return jsonify({'error': str(e)}), 500
def get_media_type_from_path(filepath):
try:
parts = filepath.split('/')
if len(parts) >= 4 and parts[0] == 'local_content':
media_id = parts[1] + parts[2] + parts[3]
conn = get_db_conn()
cur = conn.cursor()
cur.execute(
"SELECT media_type FROM local_media_repository WHERE media_id = %s",
(media_id,)
)
row = cur.fetchone()
cur.close()
conn.close()
if row:
return row[0]
except Exception:
pass
return None
@app.route('/view/local/<path:filepath>')
def view_local(filepath):
try:
safe_path = os.path.join(MEDIA_STORE_PATH, filepath)
# Security: ensure path is within MEDIA_STORE_PATH
real_path = os.path.realpath(safe_path)
real_base = os.path.realpath(MEDIA_STORE_PATH)
if not real_path.startswith(real_base):
@@ -220,7 +239,8 @@ def view_local(filepath):
if not os.path.exists(real_path):
return 'Not found', 404
return send_file(real_path)
mimetype = get_media_type_from_path(filepath)
return send_file(real_path, mimetype=mimetype)
except Exception as e:
return str(e), 500
@@ -230,8 +250,16 @@ def view_s3(key):
s3 = get_s3_client()
full_key = f"{S3_PREFIX}/{key}" if S3_PREFIX else key
mimetype = None
if key.startswith('local_content/'):
mimetype = get_media_type_from_path(key)
params = {'Bucket': S3_BUCKET, 'Key': full_key}
if mimetype:
params['ResponseContentType'] = mimetype
url = s3.generate_presigned_url('get_object',
Params={'Bucket': S3_BUCKET, 'Key': full_key},
Params=params,
ExpiresIn=3600)
return jsonify({'url': url})
@@ -338,6 +366,34 @@ HTML_TEMPLATE = '''
.size { font-family: monospace; color: #8b949e; }
.path { font-family: monospace; font-size: 0.85em; }
#content { max-height: 70vh; overflow-y: auto; }
.preview-modal {
display: none;
position: fixed;
top: 0; left: 0; width: 100%; height: 100%;
background: rgba(0,0,0,0.9);
z-index: 1000;
justify-content: center;
align-items: center;
flex-direction: column;
}
.preview-modal.active { display: flex; }
.preview-modal img, .preview-modal video {
max-width: 90vw;
max-height: 80vh;
border-radius: 8px;
}
.preview-modal audio { width: 500px; }
.preview-close {
position: absolute;
top: 20px; right: 30px;
font-size: 2em; color: white;
cursor: pointer; background: none; border: none;
}
.preview-info {
color: #8b949e;
margin-top: 15px;
font-size: 0.9em;
}
</style>
</head>
<body>
@@ -376,6 +432,12 @@ HTML_TEMPLATE = '''
</div>
</div>
<div id="preview-modal" class="preview-modal">
<button class="preview-close">&times;</button>
<div id="preview-container"></div>
<div id="preview-info" class="preview-info"></div>
</div>
<script>
function formatBytes(bytes) {
if (bytes === 0) return "0 B";
@@ -436,7 +498,7 @@ HTML_TEMPLATE = '''
<td>${row.last_access ? row.last_access.slice(0, 19).replace("T", " ") : "-"}</td>
<td>${row.upload_name || "-"}</td>
<td>${status}${quarantined}</td>
<td><a href="/view/local/${row.local_path}" target="_blank">View</a></td>
<td><a href="#" onclick="showPreview('/view/local/${row.local_path}', '${row.media_type || ""}', '${row.upload_name || row.media_id}'); return false;">View</a></td>
</tr>`;
});
html += "</tbody></table>";
@@ -496,7 +558,7 @@ HTML_TEMPLATE = '''
<td class="path">${f.path}</td>
<td class="size">${formatBytes(f.size)}</td>
<td>${f.modified.slice(0, 19).replace("T", " ")}</td>
<td><a href="/view/local/${f.path}" target="_blank">View</a></td>
<td><a href="#" onclick="showPreview('/view/local/${f.path}', '', '${f.path}'); return false;">View</a></td>
</tr>`;
});
html += "</tbody></table>";
@@ -535,10 +597,36 @@ HTML_TEMPLATE = '''
const r = await fetch("/view/s3/" + encodeURIComponent(key));
const data = await r.json();
if (data.url) {
window.open(data.url, "_blank");
showPreview(data.url, '', key);
}
}
function showPreview(url, mimetype, name) {
const modal = document.getElementById("preview-modal");
const container = document.getElementById("preview-container");
const info = document.getElementById("preview-info");
container.innerHTML = "";
info.textContent = name + (mimetype ? " (" + mimetype + ")" : "");
if (mimetype && mimetype.startsWith("image/")) {
container.innerHTML = `<img src="${url}" alt="${name}">`;
} else if (mimetype && mimetype.startsWith("video/")) {
container.innerHTML = `<video controls autoplay><source src="${url}" type="${mimetype}"></video>`;
} else if (mimetype && mimetype.startsWith("audio/")) {
container.innerHTML = `<audio controls autoplay src="${url}"></audio>`;
} else {
window.open(url, "_blank");
return;
}
modal.classList.add("active");
}
document.getElementById("preview-modal").addEventListener("click", function(e) {
if (e.target === this || e.target.classList.contains("preview-close")) {
this.classList.remove("active");
document.getElementById("preview-container").innerHTML = "";
}
});
loadStats();
loadMediaDb();
</script>