mirror of
https://github.com/nesquena/hermes-webui.git
synced 2026-05-25 03:00:23 +00:00
Frank Song
617 lines
26 KiB
JavaScript
617 lines
26 KiB
JavaScript
async function api(path,opts={}){
|
|
// Strip leading slash so URL resolves relative to location.href (supports subpath mounts)
|
|
const rel = path.startsWith('/') ? path.slice(1) : path;
|
|
const url=new URL(rel,document.baseURI||location.href);
|
|
const timeoutMs=Object.prototype.hasOwnProperty.call(opts,'timeoutMs')?opts.timeoutMs:30000;
|
|
// Retry up to 2 times on network errors (e.g. stale keep-alive after long idle).
|
|
// Server errors (4xx/5xx) and client-side timeouts are NOT retried.
|
|
let lastErr;
|
|
for(let attempt=0;attempt<3;attempt++){
|
|
let controller=null;
|
|
let timeoutId=null;
|
|
let didTimeout=false;
|
|
let upstreamSignal=null;
|
|
let upstreamAbort=null;
|
|
try{
|
|
const fetchOpts={...opts};
|
|
delete fetchOpts.timeoutMs;
|
|
const useTimeout=Number.isFinite(Number(timeoutMs))&&Number(timeoutMs)>0;
|
|
if(useTimeout&&typeof AbortController!=='undefined'){
|
|
controller=new AbortController();
|
|
upstreamSignal=fetchOpts.signal||null;
|
|
if(upstreamSignal){
|
|
upstreamAbort=()=>controller.abort(upstreamSignal.reason);
|
|
if(upstreamSignal.aborted) upstreamAbort();
|
|
else upstreamSignal.addEventListener('abort',upstreamAbort,{once:true});
|
|
}
|
|
fetchOpts.signal=controller.signal;
|
|
}
|
|
const requestPromise=(async()=>{
|
|
const res=await fetch(url.href,{credentials:'include',headers:{'Content-Type':'application/json'},...fetchOpts});
|
|
if(!res.ok){
|
|
// 401 means the auth session expired. Redirect to login so the user can
|
|
// re-authenticate. This is especially important for iOS PWA (standalone mode)
|
|
// and for subpath mounts like /hermes/, where /login escapes to the site root.
|
|
if(res.status===401){window.location.href='login?next='+encodeURIComponent(window.location.pathname+window.location.search);return;}
|
|
const text=await res.text();
|
|
// Parse JSON error body and surface the human-readable message,
|
|
// rather than showing raw JSON like {"error":"Profile 'x' does not exist."}
|
|
let message=text;
|
|
try{const j=JSON.parse(text);message=j.error||j.message||text;}catch(e){}
|
|
// Attach the raw HTTP context so callers can branch on status (404 stale-session
|
|
// cleanup, 401 redirect, 503 retry, etc.) without re-parsing the message string.
|
|
const err=new Error(message);
|
|
err.status=res.status;
|
|
err.statusText=res.statusText;
|
|
err.body=text;
|
|
throw err;
|
|
}
|
|
const ct=res.headers.get('content-type')||'';
|
|
return ct.includes('application/json')?await res.json():await res.text();
|
|
})();
|
|
return useTimeout?await Promise.race([
|
|
requestPromise,
|
|
new Promise((_,reject)=>{
|
|
timeoutId=setTimeout(()=>{
|
|
didTimeout=true;
|
|
if(controller) controller.abort();
|
|
const err=new Error('Request timed out. Please try again.');
|
|
err.name='TimeoutError';
|
|
err.timeout=true;
|
|
reject(err);
|
|
},Number(timeoutMs));
|
|
})
|
|
]):await requestPromise;
|
|
}catch(e){
|
|
lastErr=e;
|
|
const isTimeout=didTimeout||(e&&(e.timeout===true||e.name==='TimeoutError'));
|
|
if(isTimeout){
|
|
const err=(e&&e.name==='TimeoutError')?e:new Error('Request timed out. Please try again.');
|
|
err.name='TimeoutError';
|
|
err.timeout=true;
|
|
if(typeof showToast==='function') showToast('Request timed out. Please try again.',5000,'error');
|
|
throw err;
|
|
}
|
|
// Only retry on network errors (TypeError from fetch), not on HTTP errors
|
|
// that were already thrown above. Re-throw 401 redirects immediately.
|
|
if(e.message&&/401/.test(e.message)) throw e;
|
|
if(attempt<2 && e instanceof TypeError) continue;
|
|
throw e;
|
|
}finally{
|
|
if(timeoutId) clearTimeout(timeoutId);
|
|
if(upstreamSignal&&upstreamAbort) upstreamSignal.removeEventListener('abort',upstreamAbort);
|
|
}
|
|
}
|
|
throw lastErr;
|
|
}
|
|
|
|
function recordClientSSEError(source, details={}){
|
|
try{
|
|
const payload={
|
|
event:'sse_error',
|
|
source:String(source||'unknown'),
|
|
ready_state:details.ready_state,
|
|
session_id:details.session_id||null,
|
|
stream_id:details.stream_id||null,
|
|
visibility_state:(typeof document!=='undefined'&&document.visibilityState)||'unknown',
|
|
online:(typeof navigator!=='undefined'&&typeof navigator.onLine==='boolean')?navigator.onLine:null,
|
|
url_path:(typeof location!=='undefined'&&location.pathname)||'/',
|
|
reason:details.reason||'EventSource.onerror',
|
|
};
|
|
void api('/api/client-events/log',{method:'POST',body:JSON.stringify(payload),timeoutMs:3000}).catch(()=>{});
|
|
}catch(_){}
|
|
}
|
|
|
|
// Persist/restore expanded directory state per workspace in localStorage
|
|
function _wsExpandKey(){
|
|
const ws=S.session&&S.session.workspace;
|
|
return ws?'hermes-webui-expanded:'+ws:null;
|
|
}
|
|
function _saveExpandedDirs(){
|
|
const key=_wsExpandKey();if(!key)return;
|
|
try{localStorage.setItem(key,JSON.stringify([...(S._expandedDirs||new Set())]));}catch(e){}
|
|
}
|
|
function _restoreExpandedDirs(){
|
|
const key=_wsExpandKey();
|
|
if(!key){S._expandedDirs=new Set();return;}
|
|
try{
|
|
const raw=localStorage.getItem(key);
|
|
S._expandedDirs=raw?new Set(JSON.parse(raw)):new Set();
|
|
}catch(e){S._expandedDirs=new Set();}
|
|
}
|
|
|
|
let _workspacePanelActiveTab = 'files';
|
|
let _renderSessionArtifactsTimer = null;
|
|
|
|
function _setWorkspacePanelTabDataset(){
|
|
const panel = document.querySelector('.rightpanel');
|
|
if(panel) panel.dataset.activeTab = _workspacePanelActiveTab;
|
|
}
|
|
|
|
function scheduleRenderSessionArtifacts(){
|
|
if(_renderSessionArtifactsTimer) clearTimeout(_renderSessionArtifactsTimer);
|
|
_renderSessionArtifactsTimer = setTimeout(()=>{
|
|
_renderSessionArtifactsTimer = null;
|
|
renderSessionArtifacts();
|
|
}, 100);
|
|
}
|
|
|
|
if(typeof document !== 'undefined'){
|
|
if(document.readyState === 'loading') document.addEventListener('DOMContentLoaded', _setWorkspacePanelTabDataset, {once:true});
|
|
else _setWorkspacePanelTabDataset();
|
|
}
|
|
|
|
function switchWorkspacePanelTab(tab){
|
|
_workspacePanelActiveTab = tab === 'artifacts' ? 'artifacts' : 'files';
|
|
_setWorkspacePanelTabDataset();
|
|
const filesTab = $('workspaceFilesTab');
|
|
const artifactsTab = $('workspaceArtifactsTab');
|
|
if(filesTab){
|
|
filesTab.classList.toggle('active', _workspacePanelActiveTab === 'files');
|
|
filesTab.setAttribute('aria-selected', _workspacePanelActiveTab === 'files' ? 'true' : 'false');
|
|
}
|
|
if(artifactsTab){
|
|
artifactsTab.classList.toggle('active', _workspacePanelActiveTab === 'artifacts');
|
|
artifactsTab.setAttribute('aria-selected', _workspacePanelActiveTab === 'artifacts' ? 'true' : 'false');
|
|
}
|
|
const artifacts = $('workspaceArtifacts');
|
|
if(artifacts) artifacts.hidden = _workspacePanelActiveTab !== 'artifacts';
|
|
if(_workspacePanelActiveTab === 'artifacts') renderSessionArtifacts();
|
|
}
|
|
|
|
const ARTIFACT_IGNORE_RE = /(^|\/)(?:\.git|\.hg|\.svn|node_modules|\.venv|venv|__pycache__|dist|build|\.next|\.cache)(?:\/|$)/;
|
|
// Canonical Hermes mutators plus MCP filesystem aliases that can create/edit files.
|
|
const ARTIFACT_MUTATION_TOOLS = new Set(['write_file','patch','edit_file','create_file','mcp_filesystem_write_file','mcp_filesystem_edit_file']);
|
|
|
|
function _normalizeArtifactPath(path){
|
|
if(!path) return '';
|
|
path = String(path).trim().replace(/[\`"'<>),.;:]+$/g,'').replace(/^[\`"'(<]+/g,'');
|
|
if(!path || path.length > 240 || path.includes('://')) return '';
|
|
if(ARTIFACT_IGNORE_RE.test(path)) return '';
|
|
if(!/[./]/.test(path)) return '';
|
|
return path;
|
|
}
|
|
|
|
function _artifactCandidatesFromText(text){
|
|
if(!text || typeof text !== 'string') return [];
|
|
const out = [];
|
|
const seen = new Set();
|
|
const add = (path) => {
|
|
path = _normalizeArtifactPath(path);
|
|
if(!path || seen.has(path)) return;
|
|
seen.add(path); out.push({path, kind:'diff'});
|
|
};
|
|
// Fallback text mining is intentionally narrow: only diff/patch fences imply
|
|
// the session changed a file. Prose mentions such as "edited package.json" are
|
|
// too noisy for an Artifacts list that should track write/edit outputs.
|
|
const fenced = /```(?:diff|patch)\s*\n[\s\S]*?```/gi;
|
|
let m;
|
|
while((m = fenced.exec(text))){
|
|
const block = m[0];
|
|
const fm = block.match(/(?:^|\n)(?:\+\+\+|---)\s+(?:[ab]\/)?([^\n\t]+)/);
|
|
if(fm) add(fm[1].trim());
|
|
}
|
|
return out;
|
|
}
|
|
|
|
function _artifactCandidatesFromToolCall(tc){
|
|
if(!tc) return [];
|
|
const name = String(tc.name || '').replace(/^functions\./,'');
|
|
const args = tc.arguments || tc.args || tc.input || {};
|
|
const result = tc.result || tc.output || tc.snippet || '';
|
|
const out = [];
|
|
const add = (path, source=name || 'tool') => {
|
|
path = _normalizeArtifactPath(path);
|
|
if(path) out.push({path, kind:source});
|
|
};
|
|
if(ARTIFACT_MUTATION_TOOLS.has(name) && args && typeof args === 'object'){
|
|
for(const key of ['path','file_path','source','destination']) add(args[key]);
|
|
if(Array.isArray(args.paths)) args.paths.forEach(p=>add(p));
|
|
if(Array.isArray(args.edits)) args.edits.forEach(e=>add(e&&e.path));
|
|
}
|
|
const resultText = typeof result === 'string' ? result : (result ? JSON.stringify(result) : '');
|
|
// Tool results may include unified diffs from patch-style tools; scan those
|
|
// narrowly after structured args so diff headers can still contribute paths.
|
|
for(const a of _artifactCandidatesFromText(resultText)) out.push(a);
|
|
if(!out.length && ARTIFACT_MUTATION_TOOLS.has(name)){
|
|
const argsText = typeof args === 'string' ? args : JSON.stringify(args || {});
|
|
for(const a of _artifactCandidatesFromText(argsText)) out.push(a);
|
|
}
|
|
return out;
|
|
}
|
|
|
|
function collectSessionArtifacts(){
|
|
const items = [];
|
|
const seen = new Set();
|
|
const push = (path, source) => {
|
|
path = _normalizeArtifactPath(path);
|
|
if(!path || seen.has(path)) return;
|
|
seen.add(path); items.push({path, source});
|
|
};
|
|
for(const tc of (S.toolCalls || [])){
|
|
for(const a of _artifactCandidatesFromToolCall(tc)) push(a.path, a.kind || tc.name || 'tool');
|
|
}
|
|
for(const msg of (S.messages || [])){
|
|
const text = msg && (msg.content || msg.text || msg.message || '');
|
|
for(const a of _artifactCandidatesFromText(text)) push(a.path, a.kind);
|
|
}
|
|
return items.slice(0, 50);
|
|
}
|
|
|
|
function renderSessionArtifacts(){
|
|
const root = $('workspaceArtifacts');
|
|
const count = $('workspaceArtifactsCount');
|
|
if(!root) return;
|
|
const items = collectSessionArtifacts();
|
|
if(count) count.textContent = String(items.length);
|
|
if(!S.session){
|
|
root.innerHTML = '<div class="workspace-artifact-empty">Open a conversation to see files changed in this session.</div>';
|
|
return;
|
|
}
|
|
if(!items.length){
|
|
root.innerHTML = '<div class="workspace-artifact-empty">No artifacts detected yet. Files created or edited during this session will appear here.</div>';
|
|
return;
|
|
}
|
|
root.innerHTML = items.map(item => `<button type="button" class="workspace-artifact-item" data-artifact-path="${esc(item.path)}" onclick="openArtifactPath(this.dataset.artifactPath)"><div class="workspace-artifact-path">${esc(item.path)}</div><div class="workspace-artifact-meta">${esc(item.source || 'session')}</div></button>`).join('');
|
|
}
|
|
|
|
function openArtifactPath(path){
|
|
if(!path) return;
|
|
switchWorkspacePanelTab('files');
|
|
const rel = path.replace(/^~\//,'').replace(/^\.\//,'');
|
|
openFile(rel);
|
|
}
|
|
|
|
async function loadDir(path){
|
|
if(!S.session)return;
|
|
const sessionId=S.session.session_id;
|
|
try{
|
|
if(!path||path==='.'){
|
|
S._dirCache={};
|
|
_restoreExpandedDirs(); // restore per-workspace expanded state on root load
|
|
}
|
|
S.currentDir=path||'.';
|
|
const data=await api(`/api/list?session_id=${encodeURIComponent(sessionId)}&path=${encodeURIComponent(path)}`);
|
|
if(!S.session||S.session.session_id!==sessionId)return;
|
|
S.entries=data.entries||[];renderBreadcrumb();renderFileTree();
|
|
// #2673 — refresh Artifacts tab when its source data (the file tree) updates.
|
|
if(typeof renderSessionArtifacts==='function') renderSessionArtifacts();
|
|
// Pre-fetch contents of restored expanded dirs so they render without a second click
|
|
// (parallelized — avoids serial waterfall when multiple dirs are expanded)
|
|
if(!path||path==='.'){
|
|
const expanded=S._expandedDirs||new Set();
|
|
const pending=[...expanded].filter(dirPath=>!S._dirCache[dirPath]);
|
|
if(pending.length){
|
|
const results=await Promise.all(pending.map(dirPath=>
|
|
api(`/api/list?session_id=${encodeURIComponent(sessionId)}&path=${encodeURIComponent(dirPath)}`)
|
|
.then(dc=>({dirPath,entries:dc.entries||[]}))
|
|
.catch(()=>({dirPath,entries:[]}))
|
|
));
|
|
if(!S.session||S.session.session_id!==sessionId)return;
|
|
for(const {dirPath,entries} of results) S._dirCache[dirPath]=entries;
|
|
}
|
|
if(expanded.size>0)renderFileTree();
|
|
}
|
|
if(typeof clearPreview==='function'){
|
|
if(typeof _previewDirty!=='undefined'&&_previewDirty){
|
|
showConfirmDialog({title:t('unsaved_confirm'),message:'',confirmLabel:'Discard',danger:true,focusCancel:true}).then(ok=>{if(ok)clearPreview({keepPanelOpen:true});});
|
|
}else{
|
|
clearPreview({keepPanelOpen:true});
|
|
}
|
|
}
|
|
// Fetch git info for workspace root (non-blocking)
|
|
if(!path||path==='.') _refreshGitBadge();
|
|
}catch(e){console.warn('loadDir',e);}
|
|
}
|
|
|
|
async function _refreshGitBadge(){
|
|
const badge=$('gitBadge');
|
|
if(!badge||!S.session)return;
|
|
const sessionId=S.session.session_id;
|
|
try{
|
|
const data=await api(`/api/git-info?session_id=${encodeURIComponent(sessionId)}`);
|
|
if(!S.session||S.session.session_id!==sessionId)return;
|
|
if(data.git&&data.git.is_git){
|
|
const g=data.git;
|
|
let text=g.branch||'git';
|
|
if(g.dirty>0) text+=` \u00b7 ${g.dirty}\u2206`; // middot + delta
|
|
if(g.behind>0) text+=` \u2193${g.behind}`;
|
|
if(g.ahead>0) text+=` \u2191${g.ahead}`;
|
|
badge.textContent=text;
|
|
badge.className='git-badge'+(g.dirty>0?' dirty':'');
|
|
badge.style.display='';
|
|
} else {
|
|
badge.style.display='none';
|
|
badge.textContent='';
|
|
}
|
|
}catch(e){
|
|
if(!S.session||S.session.session_id!==sessionId)return;
|
|
badge.style.display='none';
|
|
}
|
|
}
|
|
|
|
function navigateUp(){
|
|
if(!S.session||S.currentDir==='.')return;
|
|
const parts=S.currentDir.split('/');
|
|
parts.pop();
|
|
loadDir(parts.length?parts.join('/'):'.');
|
|
}
|
|
|
|
// File extension sets for preview routing (must match server-side sets)
|
|
const IMAGE_EXTS = new Set(['.png','.jpg','.jpeg','.gif','.svg','.webp','.ico','.bmp']);
|
|
const MD_EXTS = new Set(['.md','.markdown','.mdown']);
|
|
const HTML_EXTS = new Set(['.html','.htm']);
|
|
const PDF_EXTS = new Set(['.pdf']);
|
|
const AUDIO_EXTS = new Set(['.mp3','.wav','.m4a','.aac','.ogg','.oga','.opus','.flac']);
|
|
const VIDEO_EXTS = new Set(['.mp4','.mov','.m4v','.webm','.ogv','.avi','.mkv']);
|
|
const MD_PREVIEW_RICH_RENDER_MAX_BYTES = 64 * 1024;
|
|
const MD_PREVIEW_RICH_RENDER_MAX_LINES = 1500;
|
|
// Binary formats that should download rather than preview
|
|
const DOWNLOAD_EXTS = new Set([
|
|
'.docx','.doc','.xlsx','.xls','.pptx','.ppt','.odt','.ods','.odp',
|
|
'.zip','.tar','.gz','.bz2','.7z','.rar',
|
|
'.exe','.dmg','.pkg','.deb','.rpm',
|
|
'.woff','.woff2','.ttf','.otf','.eot',
|
|
'.bin','.dat','.db','.sqlite','.pyc','.class','.so','.dylib','.dll',
|
|
]);
|
|
|
|
function fileExt(p){ const i=p.lastIndexOf('.'); return i>=0?p.slice(i).toLowerCase():''; }
|
|
|
|
function markdownPreviewByteLength(content){
|
|
const text=String(content||'');
|
|
if(typeof Blob==='function') return new Blob([text]).size;
|
|
if(typeof TextEncoder==='function') return new TextEncoder().encode(text).length;
|
|
return unescape(encodeURIComponent(text)).length;
|
|
}
|
|
|
|
function markdownPreviewLineCount(content){
|
|
const text=String(content||'');
|
|
if(!text) return 1;
|
|
return text.split('\n').length;
|
|
}
|
|
|
|
function shouldRenderMarkdownPreviewAsPlainText(content){
|
|
return markdownPreviewByteLength(content)>MD_PREVIEW_RICH_RENDER_MAX_BYTES
|
|
|| markdownPreviewLineCount(content)>MD_PREVIEW_RICH_RENDER_MAX_LINES;
|
|
}
|
|
|
|
function largeMarkdownPlainTextStatus(content){
|
|
const bytes=markdownPreviewByteLength(content);
|
|
const lines=markdownPreviewLineCount(content);
|
|
const sizeLabel=bytes>=1024?`${Math.round(bytes/1024)} KB`:`${bytes} B`;
|
|
return `Large markdown file (${sizeLabel}, ${lines} lines) shown as plain text. Click Edit to view raw.`;
|
|
}
|
|
|
|
let _previewCurrentPath = ''; // relative path of currently previewed file
|
|
let _previewCurrentMode = ''; // 'code' | 'md' | 'image' | 'html' | 'pdf' | 'audio' | 'video'
|
|
let _previewDirty = false; // true when edits are unsaved
|
|
|
|
function showPreview(mode){
|
|
// mode: 'code' | 'image' | 'md' | 'html' | 'pdf' | 'audio' | 'video'
|
|
$('previewCode').style.display = mode==='code' ? '' : 'none';
|
|
$('previewImgWrap').style.display = mode==='image' ? '' : 'none';
|
|
const mediaWrap=$('previewMediaWrap'); if(mediaWrap) mediaWrap.style.display = (mode==='audio'||mode==='video') ? '' : 'none';
|
|
const pdfWrap=$('previewPdfWrap'); if(pdfWrap) pdfWrap.style.display = mode==='pdf' ? '' : 'none';
|
|
$('previewMd').style.display = mode==='md' ? '' : 'none';
|
|
$('previewHtmlWrap').style.display = mode==='html' ? '' : 'none';
|
|
$('previewEditArea').style.display = 'none'; // start in read-only
|
|
const badge=$('previewBadge');
|
|
badge.className='preview-badge '+mode;
|
|
badge.textContent = mode==='image'?'image':mode==='audio'?'audio':mode==='video'?'video':mode==='pdf'?'pdf':mode==='md'?'md':mode==='html'?'html':fileExt($('previewPathText').textContent)||'text';
|
|
_previewCurrentMode = mode;
|
|
_previewDirty = false;
|
|
updateEditBtn();
|
|
// Show "Open in browser" button for iframe-backed document previews
|
|
const openBtn=$('btnOpenInBrowser');
|
|
if(openBtn) openBtn.style.display = (mode==='html'||mode==='pdf')?'inline-flex':'none';
|
|
}
|
|
|
|
function updateEditBtn(){
|
|
const btn=$('btnEditFile');
|
|
if(!btn)return;
|
|
const editable = _previewCurrentMode==='code'||_previewCurrentMode==='md';
|
|
btn.style.display = editable?'':'none';
|
|
const editing = $('previewEditArea').style.display!=='none';
|
|
btn.innerHTML = editing ? `💾 ${t('save')}` : `✎ ${t('edit')}`;
|
|
btn.title = editing ? t('save_title') : t('edit_title');
|
|
btn.style.color = editing ? 'var(--blue)' : '';
|
|
if(_previewDirty) btn.innerHTML = '💾 Save*';
|
|
}
|
|
|
|
async function toggleEditMode(){
|
|
const editing = $('previewEditArea').style.display!=='none';
|
|
if(editing){
|
|
// Save
|
|
if(!S.session||!_previewCurrentPath)return;
|
|
const content=$('previewEditArea').value;
|
|
try{
|
|
await api('/api/file/save',{method:'POST',body:JSON.stringify({
|
|
session_id:S.session.session_id, path:_previewCurrentPath, content
|
|
})});
|
|
_previewDirty=false;
|
|
// Update read-only views
|
|
if(_previewCurrentMode==='code') $('previewCode').textContent=content;
|
|
else { $('previewMd').innerHTML=renderMd(content); requestAnimationFrame(()=>{if(typeof renderKatexBlocks==='function')renderKatexBlocks();}); }
|
|
$('previewEditArea').style.display='none';
|
|
if(_previewCurrentMode==='code') $('previewCode').style.display='';
|
|
else $('previewMd').style.display='';
|
|
showToast(t('saved'));
|
|
}catch(e){setStatus(t('save_failed')+e.message);}
|
|
}else{
|
|
// Enter edit mode: populate textarea with current content
|
|
const currentText = _previewCurrentMode==='code'
|
|
? $('previewCode').textContent
|
|
: _previewRawContent||'';
|
|
$('previewEditArea').value=currentText;
|
|
$('previewEditArea').style.display='';
|
|
if(_previewCurrentMode==='code') $('previewCode').style.display='none';
|
|
else $('previewMd').style.display='none';
|
|
// Escape cancels the edit without saving
|
|
$('previewEditArea').onkeydown=e=>{
|
|
if(e.key==='Escape'){e.preventDefault();cancelEditMode();}
|
|
};
|
|
}
|
|
updateEditBtn();
|
|
}
|
|
|
|
let _previewRawContent = ''; // raw text for md files (to populate editor)
|
|
|
|
function cancelEditMode(){
|
|
// Discard changes and return to read-only view
|
|
$('previewEditArea').style.display='none';
|
|
$('previewEditArea').onkeydown=null;
|
|
if(_previewCurrentMode==='code') $('previewCode').style.display='';
|
|
else $('previewMd').style.display='';
|
|
_previewDirty=false;
|
|
updateEditBtn();
|
|
}
|
|
|
|
async function openFile(path){
|
|
if(!S.session)return;
|
|
const ext=fileExt(path);
|
|
|
|
// Binary/download-only formats: trigger browser download, don't preview
|
|
if(DOWNLOAD_EXTS.has(ext)){
|
|
downloadFile(path);
|
|
return;
|
|
}
|
|
|
|
$('previewPathText').textContent=path;
|
|
$('previewArea').classList.add('visible');
|
|
$('fileTree').style.display='none';
|
|
|
|
_previewCurrentPath = path;
|
|
renderFileBreadcrumb(path);
|
|
if(IMAGE_EXTS.has(ext)){
|
|
// Image: load via raw endpoint, show as <img>
|
|
showPreview('image');
|
|
const url=`api/file/raw?session_id=${encodeURIComponent(S.session.session_id)}&path=${encodeURIComponent(path)}`;
|
|
$('previewImg').alt=path;
|
|
$('previewImg').src=url;
|
|
$('previewImg').onerror=()=>setStatus(t('image_load_failed'));
|
|
} else if(AUDIO_EXTS.has(ext)||VIDEO_EXTS.has(ext)){
|
|
const mode=VIDEO_EXTS.has(ext)?'video':'audio';
|
|
showPreview(mode);
|
|
const url=`api/file/raw?session_id=${encodeURIComponent(S.session.session_id)}&path=${encodeURIComponent(path)}&inline=1`;
|
|
const wrap=$('previewMediaWrap');
|
|
if(wrap){
|
|
wrap.innerHTML=(typeof _mediaPlayerHtml==='function')
|
|
? _mediaPlayerHtml(mode,url,path.split('/').pop()||path)
|
|
: `<${mode} src="${url.replace(/"/g,'%22')}" controls preload="metadata"></${mode}>`;
|
|
if(typeof _applyMediaPlaybackPreferences==='function') _applyMediaPlaybackPreferences(wrap);
|
|
}
|
|
} else if(PDF_EXTS.has(ext)){
|
|
showPreview('pdf');
|
|
const url=`api/file/raw?session_id=${encodeURIComponent(S.session.session_id)}&path=${encodeURIComponent(path)}&inline=1`;
|
|
const frame=$('previewPdfFrame');
|
|
if(frame){
|
|
frame.src=''; // clear first to avoid stale content
|
|
frame.src=url;
|
|
frame.title=`PDF preview: ${path.split('/').pop()||path}`;
|
|
}
|
|
} else if(MD_EXTS.has(ext)){
|
|
// Markdown: fetch text, render with renderMd, display as formatted HTML
|
|
try{
|
|
const data=await api(`/api/file?session_id=${encodeURIComponent(S.session.session_id)}&path=${encodeURIComponent(path)}`);
|
|
_previewRawContent = data.content;
|
|
if(shouldRenderMarkdownPreviewAsPlainText(data.content)){
|
|
showPreview('code');
|
|
$('previewCode').textContent=data.content;
|
|
setStatus(largeMarkdownPlainTextStatus(data.content));
|
|
return;
|
|
}
|
|
showPreview('md');
|
|
$('previewMd').innerHTML=renderMd(data.content);
|
|
requestAnimationFrame(()=>{if(typeof renderKatexBlocks==='function')renderKatexBlocks();});
|
|
}catch(e){setStatus(t('file_open_failed'));}
|
|
} else if(HTML_EXTS.has(ext)){
|
|
// HTML: render in sandboxed iframe via raw endpoint.
|
|
// SECURITY TRADEOFF: We use sandbox="allow-scripts" which lets inline JS run
|
|
// but prevents access to the parent frame (origin isolation). This is a
|
|
// deliberate choice — the user is previewing their own workspace files, so
|
|
// blocking scripts entirely would break most HTML documents. The sandbox
|
|
// still prevents the preview from navigating the parent, accessing cookies,
|
|
// or reading other origin data. If a stricter mode is needed, remove
|
|
// allow-scripts (or add sandbox="") to disable all JS execution.
|
|
showPreview('html');
|
|
const url=`api/file/raw?session_id=${encodeURIComponent(S.session.session_id)}&path=${encodeURIComponent(path)}&inline=1`;
|
|
const iframe=$('previewHtmlIframe');
|
|
if(iframe){
|
|
iframe.src=''; // clear first to avoid stale content
|
|
iframe.src=url;
|
|
}
|
|
} else {
|
|
// Plain code / text -- but fall back to download if server signals binary
|
|
try{
|
|
const data=await api(`/api/file?session_id=${encodeURIComponent(S.session.session_id)}&path=${encodeURIComponent(path)}`);
|
|
if(data.binary){
|
|
// Server flagged this as binary content
|
|
downloadFile(path);
|
|
return;
|
|
}
|
|
showPreview('code');
|
|
$('previewCode').textContent=data.content;
|
|
}catch(e){
|
|
// If it's a 400/too-large error, offer download instead
|
|
downloadFile(path);
|
|
}
|
|
}
|
|
}
|
|
|
|
function downloadFile(path){
|
|
if(!S.session)return;
|
|
// Trigger browser download via the raw file endpoint with content-disposition attachment
|
|
const url=`api/file/raw?session_id=${encodeURIComponent(S.session.session_id)}&path=${encodeURIComponent(path)}&download=1`;
|
|
const filename=path.split('/').pop();
|
|
const a=document.createElement('a');
|
|
a.href=url;a.download=filename;
|
|
document.body.appendChild(a);a.click();
|
|
setTimeout(()=>document.body.removeChild(a),100);
|
|
showToast(t('downloading',filename),2000);
|
|
}
|
|
|
|
|
|
// ── Render breadcrumb for file preview mode ──────────────────────────────────
|
|
function renderFileBreadcrumb(filePath) {
|
|
const bar = $('breadcrumbBar');
|
|
if (!bar) return;
|
|
bar.style.display = 'flex';
|
|
const upBtn = $('btnUpDir');
|
|
if (upBtn) upBtn.style.display = '';
|
|
|
|
bar.innerHTML = '';
|
|
// Root
|
|
const root = document.createElement('span');
|
|
root.className = 'breadcrumb-seg breadcrumb-link';
|
|
root.textContent = '~';
|
|
root.onclick = () => { loadDir('.'); };
|
|
bar.appendChild(root);
|
|
|
|
const parts = filePath.split('/');
|
|
let accumulated = '';
|
|
for (let i = 0; i < parts.length; i++) {
|
|
const sep = document.createElement('span');
|
|
sep.className = 'breadcrumb-sep';
|
|
sep.textContent = '/';
|
|
bar.appendChild(sep);
|
|
|
|
accumulated += (accumulated ? '/' : '') + parts[i];
|
|
const seg = document.createElement('span');
|
|
seg.textContent = parts[i];
|
|
if (i < parts.length - 1) {
|
|
seg.className = 'breadcrumb-seg breadcrumb-link';
|
|
const target = accumulated;
|
|
seg.onclick = () => { loadDir(target); };
|
|
} else {
|
|
seg.className = 'breadcrumb-seg breadcrumb-current';
|
|
}
|
|
bar.appendChild(seg);
|
|
}
|
|
}
|
|
|
|
function openInBrowser(){
|
|
if(!_previewCurrentPath||!S.session) return;
|
|
const url=`api/file/raw?session_id=${encodeURIComponent(S.session.session_id)}&path=${encodeURIComponent(_previewCurrentPath)}`;
|
|
window.open(url,'_blank');
|
|
}
|