5 var SSHPubkeyDecoder = L.Class.singleton({
6 lengthDecode: function(s, off)
8 var l = (s.charCodeAt(off++) << 24) |
9 (s.charCodeAt(off++) << 16) |
10 (s.charCodeAt(off++) << 8) |
13 if (l < 0 || (off + l) > s.length)
21 var parts = s.split(/\s+/);
26 try { key = atob(parts[1]); } catch(e) {}
33 len = this.lengthDecode(key, off);
38 var type = key.substr(off + 4, len);
39 if (type !== parts[0])
44 var len1 = off < key.length ? this.lengthDecode(key, off) : 0;
49 if (type.indexOf('ecdsa-sha2-') === 0) {
50 curve = key.substr(off + 4, len1);
52 if (!len1 || type.substr(11) !== curve)
56 curve = curve.replace(/^nistp(\d+)$/, 'NIST P-$1');
61 var len2 = off < key.length ? this.lengthDecode(key, off) : 0;
71 var comment = parts.slice(2).join(' '),
72 fprint = parts[1].length > 68 ? parts[1].substr(0, 33) + '…' + parts[1].substr(-34) : parts[1];
77 return { type: 'RSA', bits: len2 * 8, comment: comment, fprint: fprint };
80 return { type: 'DSA', bits: len1 * 8, comment: comment, fprint: fprint };
83 return { type: 'ECDH', curve: 'Curve25519', comment: comment, fprint: fprint };
86 return { type: 'ECDSA', curve: curve, comment: comment, fprint: fprint };
94 function renderKeys(keys) {
95 var list = document.querySelector('.cbi-dynlist');
97 while (!matchesElem(list.firstElementChild, '.add-item'))
98 list.removeChild(list.firstElementChild);
100 keys.forEach(function(key) {
101 var pubkey = SSHPubkeyDecoder.decode(key);
103 list.insertBefore(E('div', {
108 E('strong', pubkey.comment || _('Unnamed key')), E('br'),
110 '%s, %s'.format(pubkey.type, pubkey.curve || _('%d Bit').format(pubkey.bits)),
111 E('br'), E('code', pubkey.fprint)
113 ]), list.lastElementChild);
116 if (list.firstElementChild === list.lastElementChild)
117 list.insertBefore(E('p', _('No public keys present yet.')), list.lastElementChild);
120 function saveKeys(keys) {
121 return fs.write('/etc/dropbear/authorized_keys', keys.join('\n') + '\n', 384 /* 0600 */)
122 .then(renderKeys.bind(this, keys))
123 .catch(function(e) { ui.addNotification(null, E('p', e.message)) })
124 .finally(ui.hideModal);
127 function addKey(ev) {
128 var list = findParent(ev.target, '.cbi-dynlist'),
129 input = list.querySelector('input[type="text"]'),
130 key = input.value.trim(),
131 pubkey = SSHPubkeyDecoder.decode(key),
137 list.querySelectorAll('.item').forEach(function(item) {
138 keys.push(item.getAttribute('data-key'));
141 if (keys.indexOf(key) !== -1) {
142 ui.showModal(_('Add key'), [
143 E('div', { class: 'alert-message warning' }, _('The given SSH public key has already been added.')),
144 E('div', { class: 'right' }, E('div', { class: 'btn', click: L.hideModal }, _('Close')))
148 ui.showModal(_('Add key'), [
149 E('div', { class: 'alert-message warning' }, _('The given SSH public key is invalid. Please supply proper public RSA or ECDSA keys.')),
150 E('div', { class: 'right' }, E('div', { class: 'btn', click: L.hideModal }, _('Close')))
157 return saveKeys(keys).then(function() {
158 var added = list.querySelector('[data-key="%s"]'.format(key));
160 added.classList.add('flash');
165 function removeKey(ev) {
166 var list = findParent(ev.target, '.cbi-dynlist'),
167 delkey = ev.target.getAttribute('data-key'),
170 list.querySelectorAll('.item').forEach(function(item) {
171 var key = item.getAttribute('data-key');
176 L.showModal(_('Delete key'), [
177 E('div', _('Do you really want to delete the following SSH key?')),
179 E('div', { class: 'right' }, [
180 E('div', { class: 'btn', click: L.hideModal }, _('Cancel')),
182 E('div', { class: 'btn danger', click: ui.createHandlerFn(this, saveKeys, keys) }, _('Delete key')),
187 function dragKey(ev) {
188 ev.stopPropagation();
190 ev.dataTransfer.dropEffect = 'copy';
193 function dropKey(ev) {
194 var file = ev.dataTransfer.files[0],
195 input = ev.currentTarget.querySelector('input[type="text"]'),
196 reader = new FileReader();
199 reader.onload = function(rev) {
200 input.value = rev.target.result.trim();
205 reader.readAsText(file);
208 ev.stopPropagation();
212 function handleWindowDragDropIgnore(ev) {
216 return L.view.extend({
218 return fs.lines('/etc/dropbear/authorized_keys').then(function(lines) {
219 return lines.filter(function(line) {
220 return line.match(/^ssh-/) != null;
225 render: function(keys) {
226 var list = E('div', { 'class': 'cbi-dynlist', 'dragover': dragKey, 'drop': dropKey }, [
227 E('div', { 'class': 'add-item' }, [
229 'class': 'cbi-input-text',
231 'placeholder': _('Paste or drag SSH key file…') ,
232 'keydown': function(ev) { if (ev.keyCode === 13) addKey(ev) }
235 'class': 'cbi-button',
236 'click': ui.createHandlerFn(this, addKey)
241 keys.forEach(L.bind(function(key) {
242 var pubkey = SSHPubkeyDecoder.decode(key);
244 list.insertBefore(E('div', {
246 click: ui.createHandlerFn(this, removeKey),
249 E('strong', pubkey.comment || _('Unnamed key')), E('br'),
251 '%s, %s'.format(pubkey.type, pubkey.curve || _('%d Bit').format(pubkey.bits)),
252 E('br'), E('code', pubkey.fprint)
254 ]), list.lastElementChild);
257 if (list.firstElementChild === list.lastElementChild)
258 list.insertBefore(E('p', _('No public keys present yet.')), list.lastElementChild);
260 window.addEventListener('dragover', handleWindowDragDropIgnore);
261 window.addEventListener('drop', handleWindowDragDropIgnore);
263 return E('div', {}, [
264 E('h2', _('SSH-Keys')),
265 E('div', { 'class': 'cbi-section-descr' }, _('Public keys allow for the passwordless SSH logins with a higher security compared to the use of plain passwords. In order to upload a new key to the device, paste an OpenSSH compatible public key line or drag a <code>.pub</code> file into the input field.')),
266 E('div', { 'class': 'cbi-section-node' }, list)
270 handleSaveApply: null,