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[/] [comp.php] - Blame information for rev 4

 

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11simandl<?php
2// WebSVN - Subversion repository viewing via the web using PHP
3// Copyright (C) 2004-2006 Tim Armes
4//
5// This program is free software; you can redistribute it and/or modify
6// it under the terms of the GNU General Public License as published by
7// the Free Software Foundation; either version 2 of the License, or
8// (at your option) any later version.
9//
10// This program is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13// GNU General Public License for more details.
14//
15// You should have received a copy of the GNU General Public License
16// along with this program; if not, write to the Free Software
17// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18//
19// --
20//
21// comp.php
22//
23// Compare two paths using "svn diff"
24//
25 
26require_once("include/setup.php");
27require_once("include/svnlook.php");
28require_once("include/utils.php");
29require_once("include/template.php");
30 
31function checkRevision($rev) {
32 if (is_numeric($rev) && ((int)$rev > 0)) {
33 return $rev;
34 }
35 
36 $rev = strtoupper($rev);
37 
38 switch($rev) {
39 case "HEAD":
40 // fall through
41 case "PREV":
42 // fall through
43 case "COMMITTED":
44 return $rev;
45 }
46 
47 return "HEAD";
48}
49 
50$svnrep = new SVNRepository($rep);
51 
52// Retrieve the request information
53$path1 = @$_REQUEST["compare"][0];
54$path2 = @$_REQUEST["compare"][1];
55$rev1 = (int)@$_REQUEST["compare_rev"][0];
56$rev2 = (int)@$_REQUEST["compare_rev"][1];
573simandl$manualorder = (@$_REQUEST["manualorder"] == 1);
58$ignoreWhitespace = (@$_REQUEST["ignorews"] == 1);
591simandl 
60// Some page links put the revision with the path...
61if (strpos($path1, "@")) list($path1, $rev1) = explode("@", $path1);
623simandl// Something went wrong. The path is missing.
63else if (strpos($path1, "@") === 0) {
64 $rev1 = substr($path1, 1);
65 $path1 = '/';
66}
671simandlif (strpos($path2, "@")) list($path2, $rev2) = explode("@", $path2);
683simandlelse if (strpos($path2, "@") === 0) {
69 $rev2 = substr($path2, 1);
70 $path2 = '/';
71}
721simandl 
73$rev1 = checkRevision($rev1);
74$rev2 = checkRevision($rev2);
75 
76// Choose a sensible comparison order unless told not to
77 
783simandlif (!$manualorder && is_numeric($rev1) && is_numeric($rev2) && $rev1 > $rev2) {
79 $temppath = $path1;
80 $temprev = $rev1;
811simandl 
823simandl $path1 = $path2;
83 $rev1 = $rev2;
84 
85 $path2 = $temppath;
86 $rev2 = $temprev;
871simandl}
88 
89$vars['indexurl'] = $config->getURL($rep, '', 'index');
90$vars['repurl'] = $config->getURL($rep, '', 'dir');
91 
92$url = $config->getURL($rep, "/", "comp");
933simandl$vars["revlink"] = '<a href="'.$url.'compare%5B%5D='.urlencode($path2).'@'.$rev2.'&amp;compare%5B%5D='.urlencode($path1).'@'.$rev1.'&amp;manualorder=1&amp;ignorews='.($ignoreWhitespace ? '1' : '0').'">'.$lang['REVCOMP'].'</a>';
94if (!$ignoreWhitespace) {
95 $vars['ignorewhitespacelink'] = '<a href="'.$url.'compare%5B%5D='.urlencode($path1).'@'.$rev1.'&amp;compare%5B%5D='.urlencode($path2).'@'.$rev2.'&amp;manualorder='.($manualorder ? '1' : '0').'&amp;ignorews=1">'.$lang['IGNOREWHITESPACE'].'</a>';
96 $vars['regardwhitespacelink'] = '';
97} else {
98 $vars['regardwhitespacelink'] = '<a href="'.$url.'compare%5B%5D='.urlencode($path1).'@'.$rev1.'&amp;compare%5B%5D='.urlencode($path2).'@'.$rev2.'&amp;manualorder='.($manualorder ? '1' : '0').'&amp;ignorews=0">'.$lang['REGARDWHITESPACE'].'</a>';
99 $vars['ignorewhitespacelink'] = '';
100}
1011simandl 
102if ($rev1 == 0) $rev1 = "HEAD";
103if ($rev2 == 0) $rev2 = "HEAD";
104 
105$vars["repname"] = $rep->getDisplayName();
106$vars["action"] = $lang["PATHCOMPARISON"];
107$vars["compare_form"] = "<form action=\"$url\" method=\"post\">";
108$vars["compare_path1input"] = "<input type=\"text\" size=\"40\" name=\"compare[0]\" value=\"".htmlentities($path1, ENT_QUOTES, 'UTF-8')."\" />";
109$vars["compare_rev1input"] = "<input type=\"text\" size=\"5\" name=\"compare_rev[0]\" value=\"$rev1\" />";
110$vars["compare_path2input"] = "<input type=\"text\" size=\"40\" name=\"compare[1]\" value=\"".htmlentities($path2, ENT_QUOTES, 'UTF-8')."\" />";
111$vars["compare_rev2input"] = "<input type=\"text\" size=\"5\" name=\"compare_rev[1]\" value=\"$rev2\" />";
112$vars["compare_submit"] = "<input name=\"comparesubmit\" type=\"submit\" value=\"${lang["COMPAREPATHS"]}\" />";
113$vars["compare_hidden"] = "<input type=\"hidden\" name=\"op\" value=\"comp\" /><input type=\"hidden\" name=\"manualorder\" value=\"1\" />";
114$vars["compare_endform"] = "</form>";
115 
116// safe paths are a hack for fixing XSS sploit
117$vars["path1"] = htmlentities($path1, ENT_QUOTES, 'UTF-8');
118$vars['safepath1'] = htmlentities($path1, ENT_QUOTES, 'UTF-8');
119$vars["path2"] = htmlentities($path2, ENT_QUOTES, 'UTF-8');
120$vars['safepath2'] = htmlentities($path2, ENT_QUOTES, 'UTF-8');
121 
122$vars["rev1"] = $rev1;
123$vars["rev2"] = $rev2;
124 
125$noinput = empty($path1) || empty($path2);
126$listing = array();
127 
128// Generate the diff listing
129 
130$relativePath1 = $path1;
131$relativePath2 = $path2;
132 
1333simandl$svnpath1 = encodepath($svnrep->getSvnpath(str_replace(DIRECTORY_SEPARATOR, '/', $path1)));
134$svnpath2 = encodepath($svnrep->getSvnpath(str_replace(DIRECTORY_SEPARATOR, '/', $path2)));
1351simandl 
136$debug = false;
137 
138if (!$noinput) {
1393simandl $cmd = $config->svn." diff ".($ignoreWhitespace ? '-x -w ' : '').$rep->svnParams().quote($svnpath1."@".$rev1)." ".quote($svnpath2."@".$rev2);
1401simandl if ($debug) echo "$cmd\n";
141}
142 
143function clearVars() {
144 global $listing, $index;
145 
146 $listing[$index]["newpath"] = null;
147 $listing[$index]["endpath"] = null;
148 $listing[$index]["info"] = null;
149 $listing[$index]["diffclass"] = null;
150 $listing[$index]["difflines"] = null;
151 $listing[$index]["enddifflines"] = null;
152 $listing[$index]["properties"] = null;
153}
154 
155$vars["success"] = false;
156 
157if (!$noinput) {
1583simandl if ($diff = popenCommand($cmd, "r")) {
1591simandl $index = 0;
160 $indiff = false;
161 $indiffproper = false;
162 $getLine = true;
163 $node = null;
164 $bufferedLine = false;
165 
166 $vars["success"] = true;
167 
168 while (!feof($diff)) {
169 if ($getLine) {
170 if ($bufferedLine === false) {
171 $bufferedLine = rtrim(fgets($diff), "\r\n");
172 }
173 $newlineR = strpos($bufferedLine, "\r");
174 $newlineN = strpos($bufferedLine, "\n");
175 if ($newlineR === false && $newlineN === false) {
176 $line = $bufferedLine;
177 $bufferedLine = false;
178 } else {
179 $newline = ($newlineR < $newlineN ? $newlineR : $newlineN);
180 $line = substr($bufferedLine, 0, $newline);
181 $bufferedLine = substr($bufferedLine, $newline + 1);
182 }
183 }
184 
185 clearVars();
186 $getLine = true;
187 if ($debug) print "Line = '$line'<br />";
188 if ($indiff) {
189 // If we're in a diff proper, just set up the line
190 if ($indiffproper) {
191 if (strlen($line) > 0 && ($line[0] == " " || $line[0] == "+" || $line[0] == "-")) {
192 $subline = replaceEntities(substr($line, 1), $rep);
1933simandl if ($subline == '') $subline = "&nbsp;";
1941simandl $subline = hardspace($subline);
195 $listing[$index]["line"] = $subline;
196 
197 switch ($line[0]) {
198 case " ":
199 $listing[$index]["diffclass"] = "diff";
200 if ($debug) print "Including as diff: $subline<br />";
201 break;
202 
203 case "+":
204 $listing[$index]["diffclass"] = "diffadded";
205 if ($debug) print "Including as added: $subline<br />";
206 break;
207 
208 case "-":
209 $listing[$index]["diffclass"] = "diffdeleted";
210 if ($debug) print "Including as removed: $subline<br />";
211 break;
212 }
213 
214 $index++;
215 
216 continue;
217 
218 } else if ($line == '\ No newline at end of file') {
219 continue;
220 
221 } else {
222 $indiffproper = false;
223 $listing[$index++]["enddifflines"] = true;
224 $getLine = false;
225 if ($debug) print "Ending lines<br />";
226 continue;
227 }
228 }
229 
230 // Check for the start of a new diff area
231 if (!strncmp($line, "@@", 2)) {
232 $pos = strpos($line, "+");
233 $posline = substr($line, $pos);
2343simandl $sline = 0;
235 $eline = 0;
2361simandl sscanf($posline, "+%d,%d", $sline, $eline);
237 if ($debug) print "sline = '$sline', eline = '$eline'<br />";
238 // Check that this isn't a file deletion
239 if ($sline == 0 && $eline == 0) {
240 $line = fgets($diff);
241 if ($debug) print "Ignoring: $line<br />" ;
242 while ($line[0] == " " || $line[0] == "+" || $line[0] == "-") {
243 $line = fgets($diff);
244 if ($debug) print "Ignoring: $line<br />" ;
245 }
246 
247 $getLine = false;
248 if ($debug) print "Unignoring previous - marking as deleted<b>";
249 $listing[$index++]["info"] = $lang["FILEDELETED"];
250 
251 } else {
252 $listing[$index]["difflines"] = $line;
2533simandl $sline = 0;
254 $slen = 0;
255 $eline = 0;
256 $elen = 0;
2571simandl sscanf($line, "@@ -%d,%d +%d,%d @@", $sline, $slen, $eline, $elen);
258 $listing[$index]["rev1line"] = $sline;
259 $listing[$index]["rev1len"] = $slen;
260 $listing[$index]["rev2line"] = $eline;
261 $listing[$index]["rev2len"] = $elen;
262 
263 $indiffproper = true;
264 
265 $index++;
266 }
267 
268 continue;
269 
270 } else {
271 $indiff = false;
272 if ($debug) print "Ending diff";
273 }
274 }
275 
276 // Check for a new node entry
277 if (strncmp(trim($line), "Index: ", 7) == 0) {
278 // End the current node
279 if ($node) {
280 $listing[$index++]["endpath"] = true;
281 clearVars();
282 }
283 
284 $node = trim($line);
285 $node = substr($node, 7);
286 if ($node == '' || $node{0} != '/') $node = '/'.$node;
287 
2883simandl if (substr($path2, -strlen($node)) === $node) {
289 $absnode = $path2;
290 } else {
291 $absnode = $path2;
292 if (substr($absnode, -1) == '/') $absnode = substr($absnode, 0, -1);
293 $absnode .= $node;
294 }
2951simandl 
2963simandl $listing[$index]["newpath"] = $absnode;
2971simandl 
2983simandl $listing[$index]["fileurl"] = $config->getURL($rep, $absnode, "file").'rev='.$rev2;
299 
3001simandl if ($debug) echo "Creating node $node<br />";
301 
302 // Skip past the line of ='s
303 $line = fgets($diff);
304 if ($debug) print "Skipping: $line<br />" ;
305 
306 // Check for a file addition
307 $line = fgets($diff);
308 if ($debug) print "Examining: $line<br />" ;
309 if (strpos($line, "(revision 0)")) {
310 $listing[$index]["info"] = $lang["FILEADDED"];
311 }
312 
313 if (strncmp(trim($line), "Cannot display:", 15) == 0) {
314 $index++;
315 clearVars();
316 $listing[$index++]["info"] = $line;
317 continue;
318 }
319 
320 // Skip second file info
321 $line = fgets($diff);
322 if ($debug) print "Skipping: $line<br />" ;
323 
324 $indiff = true;
325 $index++;
326 
327 continue;
328 }
329 
330 if (strncmp(trim($line), "Property changes on: ", 21) == 0) {
331 $propnode = trim($line);
332 $propnode = substr($propnode, 21);
333 
334 if ($debug) print "Properties on $propnode (cur node $ $node)";
335 if ($propnode != $node) {
336 if ($node) {
337 $listing[$index++]["endpath"] = true;
338 clearVars();
339 }
340 
341 $node = $propnode;
342 
343 $listing[$index++]["newpath"] = $node;
344 clearVars();
345 }
346 
347 $listing[$index++]["properties"] = true;
348 clearVars();
349 if ($debug) echo "Creating node $node<br />";
350 
351 // Skip the row of underscores
352 $line = fgets($diff);
353 if ($debug) print "Skipping: $line<br />" ;
354 
355 while ($line = trim(fgets($diff))) {
356 $listing[$index++]["info"] = $line;
357 clearVars();
358 }
359 
360 continue;
361 }
362 
363 // Check for error messages
364 if (strncmp(trim($line), "svn: ", 5) == 0) {
365 $listing[$index++]["info"] = urldecode($line);
366 $vars["success"] = false;
367 continue;
368 }
369 
370 $listing[$index++]["info"] = $line;
371 }
372 
373 if ($node) {
374 clearVars();
375 $listing[$index++]["endpath"] = true;
376 }
377 
378 if ($debug) print_r($listing);
379 
380 pclose($diff);
381 }
382}
383 
384$vars["version"] = $version;
385 
386if (!$rep->hasUnrestrictedReadAccess($relativePath1) || !$rep->hasUnrestrictedReadAccess($relativePath2, false)) {
387 $vars["noaccess"] = true;
388}
389 
390parseTemplate($rep->getTemplatePath()."header.tmpl", $vars, $listing);
391parseTemplate($rep->getTemplatePath()."compare.tmpl", $vars, $listing);
392parseTemplate($rep->getTemplatePath()."footer.tmpl", $vars, $listing);

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