package main
import (
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"strconv"
"strings"
"time"
)
const telegramPage = `
Hermes on Telegram
← Back to Hermes
Hermes on Telegram
Link this Keycloak account to a private Telegram chat. Messages will use the same isolated Hermes tenant as the WebUI.
Checking Telegram…
Codes expire after 10 minutes. Only direct messages are accepted; group messages are ignored.
`
const privateFilesPage = `
Hermes Private Files
Loading your workspace…
Choose a file to preview it here.
`
const bridgeCSS = `
#hermes-chat-shortcuts{position:fixed;right:18px;top:82px;z-index:9999;display:flex;gap:8px;align-items:center;font:600 13px system-ui,sans-serif}
#hermes-chat-shortcuts a{padding:8px 12px;border-radius:999px;color:#fff;text-decoration:none;box-shadow:0 5px 20px #0005}#hermes-files-shortcut{background:#475569}#hermes-telegram-shortcut{background:#229ed9}
.hermes-link-page{margin:0;min-height:100vh;display:grid;place-items:center;background:#0f172a;color:#e2e8f0;font:16px/1.5 system-ui,sans-serif}
.hermes-link-card{width:min(620px,calc(100% - 40px));box-sizing:border-box;padding:32px;border:1px solid #334155;border-radius:18px;background:#111827;box-shadow:0 20px 60px #0006}
.hermes-link-card h1{margin:.6rem 0}.hermes-back{color:#7dd3fc}.hermes-link-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}
.hermes-link-card button{border:0;border-radius:10px;padding:11px 16px;background:#229ed9;color:#fff;font-weight:700;cursor:pointer}.hermes-link-card button.secondary{background:#334155}.hermes-link-card button:disabled{cursor:not-allowed;opacity:.45}
#telegram-result{padding:16px;border-radius:10px;background:#1e293b;overflow-wrap:anywhere}#telegram-result a{color:#7dd3fc}.hermes-fine-print{color:#94a3b8;font-size:13px}
.hermes-files-page{margin:0;min-height:100vh;background:#0b1020;color:#e5e7eb;font:15px/1.5 system-ui,sans-serif}.hermes-files-shell{width:min(1500px,calc(100% - 36px));margin:auto;padding:28px 0}.hermes-files-header{display:flex;justify-content:space-between;gap:28px;align-items:end;border-bottom:1px solid #293249;padding-bottom:18px}.hermes-files-header h1{margin:.4rem 0 0}.hermes-files-header p{margin:.25rem 0;color:#9ca3af}.hermes-files-header label{display:grid;gap:6px;color:#9ca3af}.hermes-files-header select{min-width:260px;background:#151b2e;color:#e5e7eb;border:1px solid #39445f;border-radius:8px;padding:9px}.hermes-breadcrumbs{display:flex;gap:6px;flex-wrap:wrap;margin:18px 0}.hermes-breadcrumbs button{border:0;background:transparent;color:#7dd3fc;cursor:pointer;padding:4px}.hermes-files-grid{display:grid;grid-template-columns:minmax(280px,38%) 1fr;gap:18px}.hermes-files-grid>section{border:1px solid #293249;border-radius:12px;background:#11172a;min-height:65vh;overflow:hidden}.hermes-files-toolbar{min-height:42px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;border-bottom:1px solid #293249}.hermes-button{padding:6px 10px;border-radius:7px;background:#334155;color:#e5e7eb;text-decoration:none}.hermes-file-list{list-style:none;margin:0;padding:8px}.hermes-file-list button{width:100%;display:grid;grid-template-columns:1fr auto;gap:14px;text-align:left;border:0;border-radius:7px;padding:9px 10px;background:transparent;color:#e5e7eb;cursor:pointer}.hermes-file-list button:hover,.hermes-file-list button:focus{background:#202941}.hermes-file-meta{color:#8d98ad;font-size:12px}.hermes-file-viewer pre{box-sizing:border-box;margin:0;padding:18px;max-height:calc(65vh - 64px);overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;color:#d9e2f1;font:13px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace}#files-status{color:#9ca3af}@media(max-width:800px){#hermes-chat-shortcuts{top:auto;bottom:112px}.hermes-files-header{display:block}.hermes-files-header label{margin-top:14px}.hermes-files-header select{width:100%;min-width:0}.hermes-files-grid{grid-template-columns:1fr}.hermes-files-grid>section{min-height:38vh}}
`
const bridgeJS = `(() => {
const page = document.querySelector('[data-telegram-page]');
const filesPage = document.querySelector('[data-files-page]');
const hideChatAdministration = () => {
document.querySelectorAll('[data-panel="kanban"]').forEach((node) => { node.hidden = true; });
};
hideChatAdministration();
if (!page && !filesPage) {
if (!document.getElementById('hermes-chat-shortcuts')) {
const shortcuts = document.createElement('nav');
shortcuts.id = 'hermes-chat-shortcuts';
const match = location.pathname.match(/^\/session\/([^/]+)/);
const files = document.createElement('a');
files.id = 'hermes-files-shortcut';
files.href = '/private-files' + (match ? '?session_id=' + encodeURIComponent(match[1]) : '');
files.textContent = 'Files';
files.setAttribute('aria-label', 'Browse private Hermes files');
const telegram = document.createElement('a');
telegram.id = 'hermes-telegram-shortcut';
telegram.href = '/telegram';
telegram.textContent = 'Telegram';
telegram.setAttribute('aria-label', 'Connect Hermes to Telegram');
shortcuts.append(files, telegram);
document.body.appendChild(shortcuts);
}
return;
}
if (filesPage) {
const params = new URLSearchParams(location.search);
const sessionPicker = document.getElementById('files-session');
const list = document.getElementById('files-list');
const status = document.getElementById('files-status');
const breadcrumbs = document.getElementById('files-breadcrumbs');
const title = document.getElementById('file-title');
const content = document.getElementById('file-content');
const fileDownload = document.getElementById('file-download');
const folderDownload = document.getElementById('files-download-folder');
const back = document.getElementById('files-back');
let sessionId = params.get('session_id') || '';
let currentPath = '.';
const api = async (path) => {
const response = await fetch(path, {cache:'no-store'});
let payload;
try { payload = await response.json(); } catch (_) { payload = {}; }
if (!response.ok) throw new Error(payload.error || payload.detail || ('Request failed (' + response.status + ')'));
return payload;
};
const endpoint = (kind, path) => '/api/' + kind + '?session_id=' + encodeURIComponent(sessionId) + '&path=' + encodeURIComponent(path || '.');
const renderBreadcrumbs = () => {
breadcrumbs.replaceChildren();
const parts = currentPath === '.' ? [] : currentPath.split('/').filter(Boolean);
const roots = [{label:'Home', path:'.'}];
let built = '';
parts.forEach((part) => { built = built ? built + '/' + part : part; roots.push({label:part, path:built}); });
roots.forEach((item, index) => {
if (index) breadcrumbs.append(document.createTextNode(' / '));
const button = document.createElement('button');
button.type = 'button';
button.textContent = item.label;
button.addEventListener('click', () => loadDirectory(item.path));
breadcrumbs.appendChild(button);
});
};
const openFile = async (entry) => {
status.textContent = 'Opening ' + entry.name + '…';
try {
const payload = await api(endpoint('file', entry.path));
title.textContent = entry.path;
content.textContent = payload.content || '[Empty file]';
fileDownload.href = endpoint('file/raw', entry.path);
fileDownload.setAttribute('download', entry.name);
fileDownload.hidden = false;
status.textContent = entry.size == null ? 'File loaded.' : 'File loaded (' + entry.size.toLocaleString() + ' bytes).';
} catch (error) { status.textContent = error.message; }
};
const loadDirectory = async (path) => {
currentPath = path || '.';
status.textContent = 'Loading ' + (currentPath === '.' ? 'Home' : currentPath) + '…';
title.textContent = 'Select a file';
content.textContent = 'Choose a file to preview it here.';
fileDownload.hidden = true;
renderBreadcrumbs();
folderDownload.href = endpoint('folder/download', currentPath);
try {
const payload = await api(endpoint('list', currentPath));
const entries = Array.isArray(payload.entries) ? payload.entries.slice() : [];
entries.sort((a, b) => (a.type === b.type ? a.name.localeCompare(b.name) : a.type === 'dir' ? -1 : 1));
list.replaceChildren();
if (!entries.length) {
const empty = document.createElement('li'); empty.textContent = 'This folder is empty.'; list.appendChild(empty);
}
entries.forEach((entry) => {
const item = document.createElement('li');
const button = document.createElement('button'); button.type = 'button';
const name = document.createElement('span'); name.textContent = (entry.type === 'dir' ? '📁 ' : '📄 ') + entry.name;
const meta = document.createElement('span'); meta.className = 'hermes-file-meta'; meta.textContent = entry.type === 'dir' ? 'folder' : ((entry.size || 0).toLocaleString() + ' B');
button.append(name, meta);
button.addEventListener('click', () => entry.type === 'dir' ? loadDirectory(entry.path) : openFile(entry));
item.appendChild(button); list.appendChild(item);
});
status.textContent = entries.length + (entries.length === 1 ? ' item' : ' items') + ' in ' + (currentPath === '.' ? 'Home' : currentPath) + '.';
} catch (error) { list.replaceChildren(); status.textContent = error.message; }
};
const bootFiles = async () => {
try {
const payload = await api('/api/sessions?sidebar_source=webui&exclude_hidden=1');
const sessions = (payload.sessions || []).filter((item) => item && item.session_id && !item.read_only);
if (!sessions.length) throw new Error('Start a chat first so Hermes can attach the private Home workspace.');
if (!sessions.some((item) => item.session_id === sessionId)) sessionId = sessions[0].session_id;
sessionPicker.replaceChildren();
sessions.forEach((item) => {
const option = document.createElement('option'); option.value = item.session_id; option.textContent = item.title || item.session_id; option.selected = item.session_id === sessionId; sessionPicker.appendChild(option);
});
sessionPicker.addEventListener('change', () => { sessionId = sessionPicker.value; back.href = '/session/' + encodeURIComponent(sessionId); loadDirectory('.'); });
back.href = '/session/' + encodeURIComponent(sessionId);
await loadDirectory('.');
} catch (error) { status.textContent = error.message; }
};
bootFiles();
return;
}
const status = document.getElementById('telegram-status');
const result = document.getElementById('telegram-result');
const linkButton = document.getElementById('telegram-link');
const unlinkButton = document.getElementById('telegram-unlink');
const action = async (path) => {
const response = await fetch(path, {method:'POST',headers:{'Content-Type':'application/json','X-Hermes-Action':'telegram-link'},body:'{}'});
const payload = await response.json();
if (!response.ok) throw new Error(payload.error || 'Request failed');
return payload;
};
const refresh = async () => {
try {
const response = await fetch('/api/telegram/status', {cache:'no-store'});
const payload = await response.json();
if (!payload.configured) {
status.textContent = 'Telegram is not active yet: the operator must add the BotFather bot token before account links can be created.';
linkButton.hidden = true;
unlinkButton.hidden = true;
return;
}
linkButton.hidden = false;
linkButton.disabled = false;
status.textContent = payload.linked ? 'Telegram is linked to this private account.' : 'Telegram is ready to link.';
unlinkButton.hidden = !payload.linked;
} catch (_) { status.textContent = 'Telegram status is temporarily unavailable.'; }
};
linkButton.addEventListener('click', async () => {
try {
const payload = await action('/api/telegram/link');
result.hidden = false;
result.replaceChildren();
const text = document.createElement('p');
text.textContent = 'Send /link ' + payload.code + ' to the Hermes bot. This code expires at ' + new Date(payload.expires_at).toLocaleTimeString() + '.';
result.appendChild(text);
if (payload.deep_link) {
const anchor = document.createElement('a');
anchor.href = payload.deep_link;
anchor.rel = 'noopener noreferrer';
anchor.textContent = 'Open Telegram and link now';
result.appendChild(anchor);
}
} catch (error) { status.textContent = error.message; }
});
unlinkButton.addEventListener('click', async () => {
try { await action('/api/telegram/unlink'); result.hidden = true; await refresh(); }
catch (error) { status.textContent = error.message; }
});
refresh();
})();`
func writeJSON(writer http.ResponseWriter, status int, value any) {
writer.Header().Set("Content-Type", "application/json")
writer.Header().Set("Cache-Control", "no-store")
writer.WriteHeader(status)
_ = json.NewEncoder(writer).Encode(value)
}
func validTelegramAction(request *http.Request) bool {
return request.Header.Get("X-Hermes-Action") == "telegram-link" &&
strings.HasPrefix(request.Header.Get("Content-Type"), "application/json")
}
func (router *tenantRouter) serveTelegramWeb(writer http.ResponseWriter, request *http.Request, subject string) bool {
switch request.URL.Path {
case "/hermes-chat-bridge.css":
if request.Method != http.MethodGet {
http.Error(writer, "method not allowed", http.StatusMethodNotAllowed)
return true
}
writer.Header().Set("Content-Type", "text/css; charset=utf-8")
writer.Header().Set("Cache-Control", "public, max-age=3600")
_, _ = io.WriteString(writer, bridgeCSS)
return true
case "/hermes-chat-bridge.js":
if request.Method != http.MethodGet {
http.Error(writer, "method not allowed", http.StatusMethodNotAllowed)
return true
}
writer.Header().Set("Content-Type", "application/javascript; charset=utf-8")
writer.Header().Set("Cache-Control", "public, max-age=3600")
_, _ = io.WriteString(writer, bridgeJS)
return true
case "/telegram":
if request.Method != http.MethodGet {
http.Error(writer, "method not allowed", http.StatusMethodNotAllowed)
return true
}
writer.Header().Set("Content-Type", "text/html; charset=utf-8")
writer.Header().Set("Cache-Control", "no-store")
writer.Header().Set("Content-Security-Policy", "default-src 'none'; script-src 'self'; style-src 'self'; connect-src 'self'; base-uri 'none'; form-action 'self'")
_, _ = io.WriteString(writer, telegramPage)
return true
case "/private-files":
if request.Method != http.MethodGet {
http.Error(writer, "method not allowed", http.StatusMethodNotAllowed)
return true
}
writer.Header().Set("Content-Type", "text/html; charset=utf-8")
writer.Header().Set("Cache-Control", "no-store")
writer.Header().Set("Content-Security-Policy", "default-src 'none'; script-src 'self'; style-src 'self'; connect-src 'self'; img-src 'self' data:; base-uri 'none'; form-action 'self'")
_, _ = io.WriteString(writer, privateFilesPage)
return true
case "/api/telegram/status":
if request.Method != http.MethodGet {
writeJSON(writer, http.StatusMethodNotAllowed, map[string]string{"error": "method not allowed"})
return true
}
linked, err := router.telegramLinked(subject)
if err != nil {
writeJSON(writer, http.StatusServiceUnavailable, map[string]string{"error": err.Error()})
return true
}
username := ""
if router.telegram != nil {
username = router.telegram.username()
}
writeJSON(writer, http.StatusOK, map[string]any{
"configured": router.telegram != nil,
"linked": linked,
"bot_username": username,
})
return true
case "/api/telegram/link":
if request.Method != http.MethodPost || !validTelegramAction(request) {
writeJSON(writer, http.StatusForbidden, map[string]string{"error": "same-origin action required"})
return true
}
if router.telegram == nil {
writeJSON(writer, http.StatusServiceUnavailable, map[string]string{"error": "Telegram bot token is not configured"})
return true
}
code, expires, err := router.createLink(subject)
if err != nil {
writeJSON(writer, http.StatusServiceUnavailable, map[string]string{"error": err.Error()})
return true
}
username := router.telegram.username()
deepLink := ""
if username != "" {
deepLink = fmt.Sprintf("https://t.me/%s?start=%s", url.PathEscape(username), url.QueryEscape(code))
}
writeJSON(writer, http.StatusOK, map[string]any{
"code": code,
"expires_at": expires.Format(time.RFC3339),
"deep_link": deepLink,
})
return true
case "/api/telegram/unlink":
if request.Method != http.MethodPost || !validTelegramAction(request) {
writeJSON(writer, http.StatusForbidden, map[string]string{"error": "same-origin action required"})
return true
}
if err := router.unlinkTelegram(subject); err != nil {
writeJSON(writer, http.StatusServiceUnavailable, map[string]string{"error": err.Error()})
return true
}
writeJSON(writer, http.StatusOK, map[string]bool{"unlinked": true})
return true
default:
return false
}
}
func injectChatBridge(response *http.Response) error {
if !strings.Contains(response.Header.Get("Content-Type"), "text/html") {
return nil
}
body, err := io.ReadAll(response.Body)
if err != nil {
return err
}
_ = response.Body.Close()
content := string(body)
if !strings.Contains(content, "hermes-chat-bridge.js") {
content = strings.Replace(content, "", ``, 1)
content = strings.Replace(content, " ", `