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journal: properly HTML escape more output in browse.html
[thirdparty/systemd.git] / src / journal / browse.html
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1<!DOCTYPE html>
2<html>
3<head>
4 <title>Journal</title>
5 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
6 <style type="text/css">
c6511e85 7 div#divlogs, div#diventry {
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8 font-family: monospace;
9 font-size: 8pt;
10 background-color: #ffffff;
11 padding: 1em;
12 margin: 2em 0em;
13 border-radius: 10px 10px 10px 10px;
14 border: 1px solid threedshadow;
15 white-space: nowrap;
16 overflow-x: scroll;
17 }
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18 div#diventry {
19 display: none;
20 }
21 div#divlogs {
22 display: block;
23 }
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24 body {
25 background-color: #ededed;
26 color: #313739;
27 font: message-box;
28 margin: 5em;
29 }
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30 td.timestamp {
31 text-align: right;
32 border-right: 1px dotted lightgrey;
33 padding-right: 5px;
34 }
35 td.process {
36 border-right: 1px dotted lightgrey;
37 padding-left: 5px;
38 padding-right: 5px;
39 }
40 td.message {
41 padding-left: 5px;
42 }
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43 td.message > a:link, td.message > a:visited {
44 text-decoration: none;
45 color: #313739;
46 }
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47 td.message-error {
48 padding-left: 5px;
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49 color: red;
50 font-weight: bold;
51 }
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52 td.message-error > a:link, td.message-error > a:visited {
53 text-decoration: none;
54 color: red;
55 }
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56 td.message-highlight {
57 padding-left: 5px;
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58 font-weight: bold;
59 }
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60 td.message-highlight > a:link, td.message-highlight > a:visited {
61 text-decoration: none;
62 color: #313739;
63 }
64 td > a:hover, td > a:active {
65 text-decoration: underline;
66 color: #c13739;
67 }
68 table#tablelogs, table#tableentry {
69 border-collapse: collapse;
70 }
71 td.field {
72 text-align: right;
73 border-right: 1px dotted lightgrey;
74 padding-right: 5px;
75 }
76 td.data {
77 padding-left: 5px;
1dac8b79 78 }
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79 </style>
80</head>
81
82<body>
83 <!-- TODO:
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84 - live display
85 - keyboard navigation
86 - localstorage
87 - show red lines for reboots -->
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88
89 <h1 id="title"></h1>
90
91 <div id="os"></div>
92 <div id="virtualization"></div>
93 <div id="cutoff"></div>
94 <div id="machine"></div>
95 <div id="usage"></div>
96 <div id="showing"></div>
97
1dac8b79 98 <div id="divlogs"><table id="tablelogs"></table></div>
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99 <a name="entry"></a>
100 <div id="diventry"><table id="tableentry"></table></div>
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101
102 <form>
103 <input id="head" type="button" value="|&lt;" onclick="entriesLoadHead();"/>
104 <input id="previous" type="button" value="&lt;&lt;" onclick="entriesLoadPrevious();"/>
105 <input id="next" type="button" value="&gt;&gt;" onclick="entriesLoadNext();"/>
106 <input id="tail" type="button" value="&gt;|" onclick="entriesLoadTail();"/>
107 &nbsp;&nbsp;&nbsp;&nbsp;
108 <input id="more" type="button" value="More" onclick="entriesMore();"/>
109 <input id="less" type="button" value="Less" onclick="entriesLess();"/>
110 </form>
111
112 <script type="text/javascript">
113 var first_cursor = null;
114 var last_cursor = null;
115
116 function setCookie(name, value, msec) {
117 var d = new Date();
118 d.setMilliseconds(d.getMilliseconds() + msec);
119 var v = escape(value) + "; expires=" + d.toUTCString();
120 document.cookie = name + "=" + value;
121 }
122
123 function getCookie(name) {
124 var i, l;
125 l = document.cookie.split(";");
126 for (i in l) {
127 var x, y, j;
128 j = l[i].indexOf("=");
129 x = l[i].substr(0, j);
130 y = l[i].substr(j+1);
131 if (x == name)
132 return unescape(y);
133 }
134 return null;
135 }
136
137 function getNEntries() {
138 var n;
139 n = getCookie("n_entries");
140 if (n == null)
141 return 50;
142 return parseInt(n);
143 }
144
145 function showNEntries(n) {
146 var showing = document.getElementById("showing");
147 showing.innerHTML = "Showing <b>" + n.toString() + "</b> entries.";
148 }
149
150 function setNEntries(n) {
151 if (n < 10)
152 n = 10;
153 else if (n > 1000)
154 n = 1000;
155
156 setCookie("n_entries", n.toString(), 30*24*60*60*1000);
157 showNEntries(n);
158 }
159
160 function machineLoad() {
161 var request = new XMLHttpRequest();
162 request.open("GET", "/machine");
163 request.onreadystatechange = machineOnResult;
164 request.setRequestHeader("Accept", "application/json");
165 request.send(null);
166 }
167
168 function formatBytes(u) {
169 if (u >= 1024*1024*1024*1024)
170 return (u/1024/1024/1024/1024).toFixed(1) + " TiB";
171 else if (u >= 1024*1024*1024)
172 return (u/1024/1024/1024).toFixed(1) + " GiB";
173 else if (u >= 1024*1024)
174 return (u/1024/1024).toFixed(1) + " MiB";
175 else if (u >= 1024)
176 return (u/1024).toFixed(1) + " KiB";
177 else
178 return u.toString() + " B";
179 }
180
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181 function escapeHTML(s) {
182 return s.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;");
183 }
184
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185 function machineOnResult(event) {
186 if ((event.currentTarget.readyState != 4) ||
187 (event.currentTarget.status != 200 && event.currentTarget.status != 0))
188 return;
189
190 var d = JSON.parse(event.currentTarget.responseText);
191
192 var title = document.getElementById("title");
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193 title.innerHTML = 'Journal of ' + escapeHTML(d.hostname);
194 document.title = 'Journal of ' + escapeHTML(d.hostname);
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195
196 var machine = document.getElementById("machine");
197 machine.innerHTML = 'Machine ID is <b>' + d.machine_id + '</b>, current boot ID is <b>' + d.boot_id + '</b>.';
198
199 var cutoff = document.getElementById("cutoff");
200 var from = new Date(parseInt(d.cutoff_from_realtime) / 1000);
201 var to = new Date(parseInt(d.cutoff_to_realtime) / 1000);
202 cutoff.innerHTML = 'Journal begins at <b>' + from.toLocaleString() + '</b> and ends at <b>' + to.toLocaleString() + '</b>.';
203
204 var usage = document.getElementById("usage");
205 usage.innerHTML = 'Disk usage is <b>' + formatBytes(parseInt(d.usage)) + '</b>.';
206
207 var os = document.getElementById("os");
6c69cd86 208 os.innerHTML = 'Operating system is <b>' + escapeHTML(d.os_pretty_name) + '</b>.';
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209
210 var virtualization = document.getElementById("virtualization");
6c69cd86 211 virtualization.innerHTML = d.virtualization == "bare" ? "Running on <b>bare metal</b>." : "Running on virtualization <b>" + escapeHTML(d.virtualization) + "</b>.";
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212 }
213
214 function entriesLoad(range) {
215 var request = new XMLHttpRequest();
216 request.open("GET", "/entries");
217 request.onreadystatechange = entriesOnResult;
218 request.setRequestHeader("Accept", "application/json");
219 request.setRequestHeader("Range", "entries=" + range + ":" + getNEntries().toString());
220 request.send(null);
221 }
222
223 function entriesLoadNext() {
224 if (last_cursor == null)
225 entriesLoad("");
226 else
227 entriesLoad(last_cursor + ":1");
228 }
229
230 function entriesLoadPrevious() {
231 if (first_cursor == null)
232 entriesLoad("");
233 else
234 entriesLoad(first_cursor + ":-" + getNEntries().toString());
235 }
236
237 function entriesLoadHead() {
238 entriesLoad("");
239 }
240
241 function entriesLoadTail() {
242 entriesLoad(":-" + getNEntries().toString());
243 }
244
245 function entriesOnResult(event) {
246
247 if ((event.currentTarget.readyState != 4) ||
248 (event.currentTarget.status != 200 && event.currentTarget.status != 0))
249 return;
250
1dac8b79 251 var logs = document.getElementById("tablelogs");
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252
253 var lc = null;
254 var fc = null;
255
256 var i;
257 var l = event.currentTarget.responseText.split('\n');
258
259 if (l.length <= 1) {
1dac8b79 260 logs.innerHTML = '<tbody><tr><td colspan="3"><i>No further entries...</i></td></tr></tbody>';
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261 return;
262 }
263
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264 var buf = '';
265
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266 for (i in l) {
267
268 if (l[i] == '')
269 continue;
270
271 var d = JSON.parse(l[i]);
272 if (d.MESSAGE == undefined || d.__CURSOR == undefined)
273 continue;
274
275 if (fc == null)
276 fc = d.__CURSOR;
277 lc = d.__CURSOR;
278
279 var priority;
280 if (d.PRIORITY != undefined)
281 priority = parseInt(d.PRIORITY);
282 else
283 priority = 6;
284
285 if (priority <= 3)
1dac8b79 286 clazz = "message-error";
bf5542f8 287 else if (priority <= 5)
1dac8b79 288 clazz = "message-highlight";
bf5542f8 289 else
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290 clazz = "message";
291
292 buf += '<tr><td class="timestamp">';
293
294 if (d.__REALTIME_TIMESTAMP != undefined) {
295 var timestamp = new Date(parseInt(d.__REALTIME_TIMESTAMP) / 1000);
296 buf += timestamp.toLocaleString();
297 }
bf5542f8 298
1dac8b79 299 buf += '</td><td class="process">';
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300
301 if (d.SYSLOG_IDENTIFIER != undefined)
6c69cd86 302 buf += escapeHTML(d.SYSLOG_IDENTIFIER);
bf5542f8 303 else if (d._COMM != undefined)
6c69cd86 304 buf += escapeHTML(d._COMM);
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305
306 if (d._PID != undefined)
6c69cd86 307 buf += "[" + escapeHTML(d._PID) + "]";
bf5542f8 308 else if (d.SYSLOG_PID != undefined)
6c69cd86 309 buf += "[" + escapeHTML(d.SYSLOG_PID) + "]";
1dac8b79 310
c6511e85 311 buf += '</td><td class="' + clazz + '"><a href="#entry" onclick="onMessageClick(\'' + lc + '\');">';
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312
313 if (d.MESSAGE == null)
1dac8b79 314 buf += "[blob data]";
bf5542f8 315 else if (d.MESSAGE instanceof Array)
1dac8b79 316 buf += "[" + formatBytes(d.MESSAGE.length) + " blob data]";
bf5542f8 317 else
522795e0 318 buf += escapeHTML(d.MESSAGE);
bf5542f8 319
c6511e85 320 buf += '</a></td></tr>';
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321 }
322
c6511e85 323 logs.innerHTML = '<tbody>' + buf + '</tbody>';
1dac8b79 324
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325 if (fc != null)
326 first_cursor = fc;
327 if (lc != null)
328 last_cursor = lc;
329 }
330
331 function entriesMore() {
332 setNEntries(getNEntries() + 10);
c6511e85 333 entriesLoad(first_cursor);
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334 }
335
336 function entriesLess() {
337 setNEntries(getNEntries() - 10);
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338 entriesLoad(first_cursor);
339 }
340
341 function onResultMessageClick(event) {
342 if ((event.currentTarget.readyState != 4) ||
343 (event.currentTarget.status != 200 && event.currentTarget.status != 0))
344 return;
345
346 var d = JSON.parse(event.currentTarget.responseText);
347
348 document.getElementById("diventry").style.display = "block";
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349 entry = document.getElementById("tableentry");
350
351 var buf = "";
c6511e85 352 for (var key in d){
6c69cd86 353 var data = d[key];
c6511e85 354
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355 if (data == null)
356 data = "[blob data]";
357 else if (data instanceof Array)
358 data = "[" + formatBytes(data.length) + " blob data]";
359 else
360 data = escapeHTML(data);
361
362 buf += '<tr><td class="field">' + key + '</td><td class="data">' + data + '</td></tr>';
363 }
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364 entry.innerHTML = '<tbody>' + buf + '</tbody>';
365 }
366
367 function onMessageClick(t) {
368 var request = new XMLHttpRequest();
369 request.open("GET", "/entries?discrete");
370 request.onreadystatechange = onResultMessageClick;
371 request.setRequestHeader("Accept", "application/json");
372 request.setRequestHeader("Range", "entries=" + t + ":0:1");
373 request.send(null);
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374 }
375
376 machineLoad();
377 entriesLoad("");
378 showNEntries(getNEntries());
379 </script>
380</body>
381</html>