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667bfec Decomposition
jakubvrana authored
1 <?php
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2 /** Get database connection
3 * @return Min_DB
4 */
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5 function connection() {
6 // can be used in customization, $connection is minified
7 global $connection;
8 return $connection;
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9 }
10
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11 /** Unescape database identifier
12 * @param string text inside ``
13 * @return string
14 */
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15 function idf_unescape($idf) {
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16 $last = substr($idf, -1);
17 return str_replace($last . $last, $last, substr($idf, 1, -1));
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18 }
19
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20 /** Escape string to use inside ''
21 * @param string
22 * @return string
23 */
24 function escape_string($val) {
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25 return substr(q($val), 1, -1);
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26 }
27
72f4d9e @vrana Function parse_str respects magic_quotes_gpc (bug #3034575)
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28 /** Disable magic_quotes_gpc
29 * @param array e.g. (&$_GET, &$_POST, &$_COOKIE)
30 * @return null modified in place
31 */
32 function remove_slashes($process) {
33 if (get_magic_quotes_gpc()) {
34 while (list($key, $val) = each($process)) {
35 foreach ($val as $k => $v) {
36 unset($process[$key][$k]);
37 if (is_array($v)) {
38 $process[$key][stripslashes($k)] = $v;
39 $process[] = &$process[$key][stripslashes($k)];
40 } else {
41 $process[$key][stripslashes($k)] = ($filter ? $v : stripslashes($v));
42 }
43 }
44 }
45 }
46 }
47
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48 /** Escape or unescape string to use inside form []
49 * @param string
50 * @param bool
51 * @return string
52 */
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53 function bracket_escape($idf, $back = false) {
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54 // escape brackets inside name="x[]"
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55 static $trans = array(':' => ':1', ']' => ':2', '[' => ':3');
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56 return strtr($idf, ($back ? array_flip($trans) : $trans));
57 }
58
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59 /** Escape for HTML
60 * @param string
61 * @return string
62 */
689699a Shortcut for htmlspecialchars
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63 function h($string) {
64 return htmlspecialchars($string, ENT_QUOTES);
65 }
66
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67 /** Escape for TD
68 * @param string
69 * @return string
70 */
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71 function nbsp($string) {
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72 return (trim($string) != "" ? h($string) : "&nbsp;");
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73 }
74
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75 /** Convert \n to <br>
76 * @param string
77 * @return string
78 */
79 function nl_br($string) {
80 return str_replace("\n", "<br>", $string); // nl2br() uses XHTML before PHP 5.3
81 }
82
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83 /** Generate HTML checkbox
84 * @param string
85 * @param string
86 * @param bool
87 * @param string
88 * @param string
89 * @return string
90 */
91 function checkbox($name, $value, $checked, $label = "", $onclick = "") {
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92 static $id = 0;
93 $id++;
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94 $return = "<input type='checkbox'" . ($name ? " name='$name' value='" . h($value) . "'" : "") . ($checked ? " checked" : "") . ($onclick ? " onclick=\"$onclick\"" : "") . " id='checkbox-$id'>";
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95 return ($label != "" ? "<label for='checkbox-$id'>$return" . h($label) . "</label>" : $return);
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96 }
97
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98 /** Generate list of HTML options
99 * @param array array of strings or arrays (creates optgroup)
100 * @param mixed
101 * @param bool always use array keys for value="", otherwise only string keys are used
102 * @return string
103 */
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104 function optionlist($options, $selected = null, $use_keys = false) {
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105 $return = "";
106 foreach ($options as $k => $v) {
107 if (is_array($v)) {
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108 $return .= '<optgroup label="' . h($k) . '">';
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109 }
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110 foreach ((is_array($v) ? $v : array($k => $v)) as $key => $val) {
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111 $return .= '<option' . ($use_keys || is_string($key) ? ' value="' . h($key) . '"' : '') . (($use_keys || is_string($key) ? (string) $key : $val) === $selected ? ' selected' : '') . '>' . h($val);
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112 }
113 if (is_array($v)) {
114 $return .= '</optgroup>';
115 }
116 }
117 return $return;
118 }
119
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120 /** Generate HTML radio list
121 * @param string
122 * @param array
123 * @param string
124 * @param string true for no onchange, false for radio
125 * @return string
126 */
127 function html_select($name, $options, $value = "", $onchange = true) {
128 if ($onchange) {
129 return "<select name='" . h($name) . "'" . (is_string($onchange) ? " onchange=\"$onchange\"" : "") . ">" . optionlist($options, $value) . "</select>";
130 }
131 $return = "";
132 foreach ($options as $key => $val) {
133 $return .= "<label><input type='radio' name='" . h($name) . "' value='" . h($key) . "'" . ($key == $value ? " checked" : "") . ">" . h($val) . "</label>";
134 }
135 return $return;
136 }
137
a93bc19 @vrana Create confirm function
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138 /** Get onclick confirmation
139 * @param string JavaScript expression
140 * @return string
141 */
142 function confirm($count = "") {
143 return " onclick=\"return confirm('" . lang('Are you sure?') . ($count ? " (' + $count + ')" : "") . "');\"";
144 }
145
28f21aa @vrana Escape JavaScript strings (bug #3093243)
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146 /** Escape string for JavaScript apostrophes
147 * @param string
148 * @return string
149 */
150 function js_escape($string) {
151 return addcslashes($string, "\r\n'\\/"); // slash for <script>
152 }
153
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154 /** Get INI boolean value
155 * @param string
156 * @return bool
157 */
158 function ini_bool($ini) {
159 $val = ini_get($ini);
160 return (eregi('^(on|true|yes)$', $val) || (int) $val); // boolean values set by php_value are strings
161 }
162
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163 function q($string) {
164 global $connection;
165 return $connection->quote($string);
166 }
167
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168 /** Get list of values from database
169 * @param string
170 * @param mixed
171 * @return array
172 */
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173 function get_vals($query, $column = 0) {
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174 global $connection;
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175 $return = array();
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176 $result = $connection->query($query);
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177 if (is_object($result)) {
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178 while ($row = $result->fetch_row()) {
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179 $return[] = $row[$column];
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180 }
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181 }
182 return $return;
183 }
184
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185 /** Get keys from first column and values from second
186 * @param string
187 * @param Min_DB
188 * @return array
189 */
190 function get_key_vals($query, $connection2 = null) {
191 global $connection;
192 if (!is_object($connection2)) {
193 $connection2 = $connection;
194 }
195 $return = array();
196 $result = $connection2->query($query);
197 while ($row = $result->fetch_row()) {
198 $return[$row[0]] = $row[1];
199 }
200 return $return;
201 }
202
b0d637b @vrana Avoid fatal errors
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203 /** Get all rows of result
204 * @param string
205 * @return array associative
206 */
96544ba @vrana Report errors in get_rows()
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207 function get_rows($query, $connection2 = null, $error = "<p class='error'>") {
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208 global $connection;
209 if (!is_object($connection2)) {
210 $connection2 = $connection;
211 }
212 $return = array();
213 $result = $connection2->query($query);
214 if (is_object($result)) { // can return true
215 while ($row = $result->fetch_assoc()) {
216 $return[] = $row;
217 }
352fd58 @vrana Don't report no error
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218 } elseif (!$result && $error && (headers_sent() || ob_get_level())) {
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219 echo $error . error() . "\n";
b0d637b @vrana Avoid fatal errors
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220 }
221 return $return;
222 }
223
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224 /** Find unique identifier of a row
225 * @param array
226 * @param array result of indexes()
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227 * @return array
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228 */
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229 function unique_array($row, $indexes) {
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230 foreach ($indexes as $index) {
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231 if (ereg("PRIMARY|UNIQUE", $index["type"])) {
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232 $return = array();
233 foreach ($index["columns"] as $key) {
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234 if (!isset($row[$key])) { // NULL is ambiguous
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235 continue 2;
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236 }
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237 $return[$key] = $row[$key];
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238 }
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239 return $return;
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240 }
241 }
242 $return = array();
243 foreach ($row as $key => $val) {
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244 if (!preg_match('~^(COUNT\\((\\*|(DISTINCT )?`(?:[^`]|``)+`)\\)|(AVG|GROUP_CONCAT|MAX|MIN|SUM)\\(`(?:[^`]|``)+`\\))$~', $key)) { //! columns looking like functions
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245 $return[$key] = $val;
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246 }
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247 }
248 return $return;
249 }
250
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251 /** Create SQL condition from parsed query string
252 * @param array parsed query string
253 * @return string
254 */
9ea3112 Mandatory $where in where()
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255 function where($where) {
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256 global $jush;
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257 $return = array();
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258 foreach ((array) $where["where"] as $key => $val) {
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259 $return[] = idf_escape(bracket_escape($key, 1)) // 1 - back
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260 . (ereg('\\.', $val) || $jush == "mssql" ? " LIKE " . exact_value(addcslashes($val, "%_")) : " = " . exact_value($val)) // LIKE because of floats, but slow with ints, in MS SQL because of text
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261 ; //! enum and set
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262 }
263 foreach ((array) $where["null"] as $key) {
264 $return[] = idf_escape($key) . " IS NULL";
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265 }
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266 return implode(" AND ", $return);
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267 }
268
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269 /** Create SQL condition from query string
270 * @param string
271 * @return string
272 */
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273 function where_check($val) {
274 parse_str($val, $check);
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275 remove_slashes(array(&$check));
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276 return where($check);
277 }
278
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279 /** Create query string where condition from value
280 * @param int condition order
281 * @param string column identifier
282 * @param string
283 * @return string
186c058 Utilize where_link function
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284 * @return string
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285 */
186c058 Utilize where_link function
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286 function where_link($i, $column, $value, $operator = "=") {
287 return "&where%5B$i%5D%5Bcol%5D=" . urlencode($column) . "&where%5B$i%5D%5Bop%5D=" . urlencode($operator) . "&where%5B$i%5D%5Bval%5D=" . urlencode($value);
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288 }
289
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290 /** Set cookie valid for 1 month
291 * @param string
292 * @param string
293 * @return bool
294 */
295 function cookie($name, $value) {
2cec758 @vrana Direct links from HTTPS to HTTP
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296 global $HTTPS;
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297 $params = array(
298 $name,
299 (ereg("\n", $value) ? "" : $value), // HTTP Response Splitting protection in PHP < 5.1.2
300 time() + 2592000, // 2592000 - 30 days
301 preg_replace('~\\?.*~', '', $_SERVER["REQUEST_URI"]),
302 "",
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303 $HTTPS
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304 );
c2334db Secure cookies
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305 if (version_compare(PHP_VERSION, '5.2.0') >= 0) {
306 $params[] = true; // HttpOnly
307 }
308 return call_user_func_array('setcookie', $params);
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309 }
310
f9a2023 Improve concurrency
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311 /** Restart stopped session
312 * @return null
313 */
314 function restart_session() {
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315 if (!ini_bool("session.use_cookies")) {
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316 session_start();
317 }
318 }
319
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320 /** Get session variable for current server
321 * @param string
322 * @return mixed
323 */
324 function &get_session($key) {
325 return $_SESSION[$key][DRIVER][SERVER][$_GET["username"]];
326 }
327
328 /** Set session variable for current server
329 * @param string
330 * @param mixed
331 * @return mixed
332 */
333 function set_session($key, $val) {
334 $_SESSION[$key][DRIVER][SERVER][$_GET["username"]] = $val; // used also in auth.inc.php
335 }
336
605b093 @vrana List authentications
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337 /** Get authenticated URL
338 * @param string
339 * @param string
340 * @param string
341 * @return string
342 */
343 function auth_url($driver, $server, $username) {
344 global $drivers;
345 preg_match('~([^?]*)\\??(.*)~', remove_from_uri(implode("|", array_keys($drivers)) . "|username|" . session_name()), $match);
346 return "$match[1]?"
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347 . (SID && !$_COOKIE ? SID . "&" : "")
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348 . ($driver != "server" || $server != "" ? urlencode($driver) . "=" . urlencode($server) . "&" : "")
349 . "username=" . urlencode($username)
350 . ($match[2] ? "&$match[2]" : "")
351 ;
352 }
353
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354 /** Send Location header and exit
9bb1909 Fix Save and continue edit
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355 * @param string null to only set a message
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356 * @param string
357 * @return null
358 */
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359 function redirect($location, $message = null) {
360 if (isset($message)) {
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361 restart_session();
ff74bf0 Allow multiple messages
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362 $_SESSION["messages"][] = $message;
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363 }
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364 if (isset($location)) {
365 header("Location: " . ($location != "" ? $location : "."));
366 exit;
367 }
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368 }
369
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370 /** Execute query and redirect if successful
371 * @param string
372 * @param string
373 * @param string
374 * @param bool
375 * @param bool
376 * @param bool
377 * @return bool
378 */
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379 function query_redirect($query, $location, $message, $redirect = true, $execute = true, $failed = false) {
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380 global $connection, $error, $adminer;
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381 if ($execute) {
382 $failed = !$connection->query($query);
383 }
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384 $sql = "";
385 if ($query) {
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386 $sql = $adminer->messageQuery($query);
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387 }
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388 if ($failed) {
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389 $error = error() . $sql;
c48a017 Print SQL query by error
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390 return false;
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391 }
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392 if ($redirect) {
393 redirect($location, $message . $sql);
394 }
395 return true;
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396 }
397
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398 /** Execute and remember query
399 * @param string null to return remembered queries
400 * @return Min_Result
401 */
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402 function queries($query = null) {
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403 global $connection;
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404 static $queries = array();
405 if (!isset($query)) {
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406 // return executed queries without parameter
36950eb Tables and views
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407 return implode(";\n", $queries);
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408 }
409 $queries[] = $query;
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410 return $connection->query($query);
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411 }
412
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413 /** Apply command to all array items
414 * @param string
415 * @param array
416 * @param callback
417 * @return bool
418 */
419 function apply_queries($query, $tables, $escape = 'table') {
420 foreach ($tables as $table) {
421 if (!queries("$query " . $escape($table))) {
422 return false;
423 }
424 }
425 return true;
426 }
427
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428 /** Redirect by remembered queries
429 * @param string
430 * @param string
431 * @param bool
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432 * @return bool
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433 */
434 function queries_redirect($location, $message, $redirect) {
435 return query_redirect(queries(), $location, $message, $redirect, false, !$redirect);
436 }
437
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438 /** Remove parameter from query string
439 * @param string
440 * @return string
441 */
d41d446 remove_from_uri()
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442 function remove_from_uri($param = "") {
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443 return substr(preg_replace("~(?<=[?&])($param" . (SID ? "" : "|" . session_name()) . ")=[^&]*&~", '', "$_SERVER[REQUEST_URI]&"), 0, -1);
d41d446 remove_from_uri()
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444 }
445
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446 /** Generate page number for pagination
447 * @param int
448 * @return string
449 */
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450 function pagination($page, $current) {
451 return " " . ($page == $current ? $page + 1 : '<a href="' . h(remove_from_uri("page") . ($page ? "&page=$page" : "")) . '">' . ($page + 1) . "</a>");
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452 }
453
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454 /** Get file contents from $_FILES
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455 * @param string
456 * @param bool
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457 * @return mixed int for error, string otherwise
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458 */
25f01d3 Compress export and import
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459 function get_file($key, $decompress = false) {
460 $file = $_FILES[$key];
461 if (!$file || $file["error"]) {
462 return $file["error"];
430034c Cottage homework
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463 }
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464 return file_get_contents($decompress && ereg('\\.gz$', $file["name"]) ? "compress.zlib://$file[tmp_name]"
465 : ($decompress && ereg('\\.bz2$', $file["name"]) ? "compress.bzip2://$file[tmp_name]"
466 : $file["tmp_name"]
467 )); //! may not be reachable because of open_basedir
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468 }
469
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470 /** Determine upload error
471 * @param int
472 * @return string
473 */
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474 function upload_error($error) {
475 $max_size = ($error == UPLOAD_ERR_INI_SIZE ? ini_get("upload_max_filesize") : null); // post_max_size is checked in index.php
b2a7c7a Execute SQL file stored on server disk
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476 return ($error ? lang('Unable to upload a file.') . ($max_size ? " " . lang('Maximum allowed file size is %sB.', $max_size) : "") : lang('File does not exist.'));
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477 }
478
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479 /** Generate class for odd rows
480 * @param string return this for odd rows, empty to reset counter
481 * @return string
482 */
483 function odd($return = ' class="odd"') {
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484 static $i = 0;
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485 if (!$return) { // reset counter
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486 $i = -1;
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487 }
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488 return ($i++ % 2 ? $return : '');
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489 }
490
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491 /** Check whether the string is in UTF-8
492 * @param string
493 * @return bool
494 */
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495 function is_utf8($val) {
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496 // don't print control chars except \t\r\n
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497 return (preg_match('~~u', $val) && !preg_match('~[\\0-\\x8\\xB\\xC\\xE-\\x1F]~', $val));
498 }
499
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500 /** Shorten UTF-8 string
501 * @param string
502 * @param int
503 * @param string
504 * @return string escaped string with appended ...
505 */
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506 function shorten_utf8($string, $length = 80, $suffix = "") {
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507 if (!preg_match("(^([\t\r\n -\x{FFFF}]{0,$length})($)?)u", $string, $match)) { // ~s causes trash in $match[2] under some PHP versions, (.|\n) is slow
508 preg_match("(^([\t\r\n -~]{0,$length})($)?)", $string, $match);
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509 }
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510 return h($match[1]) . $suffix . (isset($match[2]) ? "" : "<i>...</i>");
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511 }
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512
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513 /** Generate friendly URL
514 * @param string
515 * @return string
516 */
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517 function friendly_url($val) {
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518 // used for blobs and export
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519 return preg_replace('~[^a-z0-9_]~i', '-', $val);
520 }
521
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522 /** Print hidden fields
523 * @param array
524 * @param array
525 * @return null
526 */
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527 function hidden_fields($process, $ignore = array()) {
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528 while (list($key, $val) = each($process)) {
529 if (is_array($val)) {
530 foreach ($val as $k => $v) {
531 $process[$key . "[$k]"] = $v;
532 }
533 } elseif (!in_array($key, $ignore)) {
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534 echo '<input type="hidden" name="' . h($key) . '" value="' . h($val) . '">';
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535 }
536 }
537 }
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538
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539 /** Print hidden fields for GET forms
540 * @return null
541 */
542 function hidden_fields_get() {
543 echo (SID && !$_COOKIE ? '<input type="hidden" name="' . session_name() . '" value="' . h(session_id()) . '">' : '');
544 echo (SERVER !== null ? '<input type="hidden" name="' . DRIVER . '" value="' . h(SERVER) . '">' : "");
545 echo '<input type="hidden" name="username" value="' . h($_GET["username"]) . '">';
546 }
547
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548 /** Find out foreign keys for each column
549 * @param string
550 * @return array array($col => array())
551 */
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552 function column_foreign_keys($table) {
553 $return = array();
554 foreach (foreign_keys($table) as $foreign_key) {
555 foreach ($foreign_key["source"] as $val) {
556 $return[$val][] = $foreign_key;
557 }
558 }
559 return $return;
560 }
561
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562 /** Print enum input field
563 * @param string "radio"|"checkbox"
564 * @param string
565 * @param array
566 * @param mixed int|string|array
567 * @return null
568 */
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569 function enum_input($type, $attrs, $field, $value) {
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570 preg_match_all("~'((?:[^']|'')*)'~", $field["length"], $matches);
571 foreach ($matches[1] as $i => $val) {
572 $val = stripcslashes(str_replace("''", "'", $val));
573 $checked = (is_int($value) ? $value == $i+1 : (is_array($value) ? in_array($i+1, $value) : $value === $val));
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574 echo " <label><input type='$type'$attrs value='" . ($i+1) . "'" . ($checked ? ' checked' : '') . '>' . h($val) . '</label>';
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575 }
576 }
577
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578 /** Print edit input field
579 * @param array one field from fields()
580 * @param mixed
581 * @param string
582 * @return null
583 */
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584 function input($field, $value, $function) {
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585 global $types, $adminer, $jush;
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586 $name = h(bracket_escape($field["field"]));
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587 echo "<td class='function'>";
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588 $functions = (isset($_GET["select"]) ? array("orig" => lang('original')) : array()) + $adminer->editFunctions($field);
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589 $attrs = " name='fields[$name]'";
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590 if ($field["type"] == "enum") {
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591 echo nbsp($functions[""]) . "<td>" . ($functions["orig"] ? "<label><input type='radio'$attrs value='-1' checked><i>$functions[orig]</i></label> " : "");
592 echo $adminer->editInput($_GET["edit"], $field, $attrs, $value);
593 enum_input("radio", $attrs, $field, $value);
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594 } else {
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595 $first = 0;
596 foreach ($functions as $key => $val) {
597 if ($key === "" || !$val) {
598 break;
599 }
600 $first++;
601 }
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602 $onchange = ($first ? " onchange=\"var f = this.form['function[" . js_escape($name) . "]']; if ($first > f.selectedIndex) f.selectedIndex = $first;\"" : "");
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603 $attrs .= $onchange;
c5a1a77 @vrana Functions translation
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604 echo (count($functions) > 1 ? html_select("function[$name]", $functions, !isset($function) || in_array($function, $functions) || isset($functions[$function]) ? $function : "") : nbsp(reset($functions))) . '<td>';
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605 $input = $adminer->editInput($_GET["edit"], $field, $attrs, $value); // usage in call is without a table
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606 if ($input != "") {
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607 echo $input;
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608 } elseif ($field["type"] == "set") { //! 64 bits
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609 preg_match_all("~'((?:[^']|'')*)'~", $field["length"], $matches);
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610 foreach ($matches[1] as $i => $val) {
611 $val = stripcslashes(str_replace("''", "'", $val));
612 $checked = (is_int($value) ? ($value >> $i) & 1 : in_array($val, explode(",", $value), true));
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613 echo " <label><input type='checkbox' name='fields[$name][$i]' value='" . (1 << $i) . "'" . ($checked ? ' checked' : '') . "$onchange>" . h($val) . '</label>';
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614 }
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615 } elseif (ereg('blob|bytea|raw|file', $field["type"]) && ini_bool("file_uploads")) {
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616 echo "<input type='file' name='fields-$name'$onchange>";
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617 } elseif (ereg('text|lob', $field["type"])) {
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618 echo "<textarea " . ($jush != "sqlite" || ereg("\n", $value) ? "cols='50' rows='12'" : "cols='30' rows='1' style='height: 1.2em;'") . "$attrs onkeydown='return textareaKeydown(this, event);'>" . h($value) . '</textarea>'; // 1.2em - line-height
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619 } else {
620 // int(3) is only a display hint
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621 $maxlength = (!ereg('int', $field["type"]) && preg_match('~^([0-9]+)(,([0-9]+))?$~', $field["length"], $match) ? ((ereg("binary", $field["type"]) ? 2 : 1) * $match[1] + ($match[3] ? 1 : 0) + ($match[2] && !$field["unsigned"] ? 1 : 0)) : ($types[$field["type"]] ? $types[$field["type"]] + ($field["unsigned"] ? 0 : 1) : 0));
622 echo "<input value='" . h($value) . "'" . ($maxlength ? " maxlength='$maxlength'" : "") . (ereg('char|binary', $field["type"]) && $maxlength > 20 ? " size='40'" : "") . "$attrs>";
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623 }
624 }
625 }
626
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627 /** Process edit input field
628 * @param one field from fields()
629 * @return string
630 */
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631 function process_input($field) {
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632 global $adminer;
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633 $idf = bracket_escape($field["field"]);
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634 $function = $_POST["function"][$idf];
635 $value = $_POST["fields"][$idf];
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636 if ($field["type"] == "enum") {
637 if ($value == -1) {
638 return false;
639 }
640 if ($value == "") {
641 return "NULL";
642 }
643 return intval($value);
644 }
645 if ($field["auto_increment"] && $value == "") {
646 return null;
647 }
648 if ($function == "orig") {
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649 return false;
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650 }
651 if ($function == "NULL") {
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652 return "NULL";
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653 }
654 if ($field["type"] == "set") {
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655 return array_sum((array) $value);
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656 }
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657 if (ereg('blob|bytea|raw|file', $field["type"]) && ini_bool("file_uploads")) {
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658 $file = get_file("fields-$idf");
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659 if (!is_string($file)) {
660 return false; //! report errors
661 }
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662 return q($file);
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663 }
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664 return $adminer->processInput($field, $value, $function);
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665 }
666
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667 /** Print results of search in all tables
668 * @uses $_GET["where"][0]
669 * @uses $_POST["tables"]
670 * @return null
671 */
672 function search_tables() {
673 global $adminer, $connection;
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674 $_GET["where"][0]["op"] = "LIKE %%";
675 $_GET["where"][0]["val"] = $_POST["query"];
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676 $found = false;
677 foreach (table_status() as $table => $table_status) {
678 $name = $adminer->tableName($table_status);
679 if (isset($table_status["Engine"]) && $name != "" && (!$_POST["tables"] || in_array($table, $_POST["tables"]))) {
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680 $result = $connection->query("SELECT" . limit("1 FROM " . table($table), " WHERE " . implode(" AND ", $adminer->selectSearchProcess(fields($table), array())), 1));
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681 if ($result->fetch_row()) {
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682 if (!$found) {
683 echo "<ul>\n";
684 $found = true;
685 }
686 echo "<li><a href='" . h(ME . "select=" . urlencode($table) . "&where[0][op]=" . urlencode($_GET["where"][0]["op"]) . "&where[0][val]=" . urlencode($_GET["where"][0]["val"])) . "'>" . h($name) . "</a>\n";
687 }
688 }
689 }
690 echo ($found ? "</ul>" : "<p class='message'>" . lang('No tables.')) . "\n";
691 }
692
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693 /** Print CSV row
694 * @param array
695 * @return null
696 */
61640ee Move common functions
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697 function dump_csv($row) {
698 foreach ($row as $key => $val) {
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699 if (preg_match("~[\"\n,;]~", $val) || $val === "") {
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700 $row[$key] = '"' . str_replace('"', '""', $val) . '"';
701 }
702 }
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703 echo implode(($_POST["format"] == "csv" ? "," : ";"), $row) . "\n";
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704 }
c16c57b E-mail sending
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705
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jakubvrana authored
706 /** Apply SQL function
707 * @param string
708 * @param string escaped column identifier
709 * @return string
710 */
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711 function apply_sql_function($function, $column) {
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712 return ($function ? ($function == "unixepoch" ? "DATETIME($column, '$function')" : ($function == "count distinct" ? "COUNT(DISTINCT " : strtoupper("$function(")) . "$column)") : $column);
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713 }
714
4ba2d85 @vrana Allow permanent login without customization
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715 /** Read password from file adminer.key in temporary directory or create one
716 * @return string or false if the file can not be created
717 */
718 function password_file() {
719 $dir = ini_get("upload_tmp_dir"); // session_save_path() may contain other storage path
720 if (!$dir) {
721 if (function_exists('sys_get_temp_dir')) {
722 $dir = sys_get_temp_dir();
723 } else {
724 $filename = @tempnam("", ""); // @ - temp directory can be disabled by open_basedir
725 if (!$filename) {
726 return false;
727 }
728 $dir = dirname($filename);
729 unlink($filename);
730 }
731 }
732 $filename = "$dir/adminer.key";
733 $return = @file_get_contents($filename); // @ - can not exist
734 if ($return) {
735 return $return;
736 }
737 $fp = @fopen($filename, "w"); // @ - can have insufficient rights //! is not atomic
738 if ($fp) {
739 $return = md5(uniqid(mt_rand(), true));
740 fwrite($fp, $return);
741 fclose($fp);
742 }
743 return $return;
744 }
745
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jakubvrana authored
746 /** Check whether the string is e-mail address
747 * @param string
748 * @return bool
749 */
1cf374b @vrana Rename functions (avoid conflict with WordPress)
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750 function is_mail($email) {
c16c57b E-mail sending
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751 $atom = '[-a-z0-9!#$%&\'*+/=?^_`{|}~]'; // characters of local-name
752 $domain = '[a-z0-9]([-a-z0-9]{0,61}[a-z0-9])'; // one domain component
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753 $pattern = "$atom+(\\.$atom+)*@($domain?\\.)+$domain";
754 return preg_match("(^$pattern(,\\s*$pattern)*\$)i", $email);
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755 }
dc667ea Hide select export and import
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756
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757 /** Check whether the string is URL address
758 * @param string
2cec758 @vrana Direct links from HTTPS to HTTP
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759 * @return string "http", "https" or ""
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760 */
761 function is_url($string) {
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762 $domain = '[a-z0-9]([-a-z0-9]{0,61}[a-z0-9])'; // one domain component //! IDN
763 return (preg_match("~^(https?)://($domain?\\.)+$domain(:[0-9]+)?(/.*)?(\\?.*)?(#.*)?\$~i", $string, $match) ? strtolower($match[1]) : ""); //! restrict path, query and fragment characters
bc78866 Link URLs in select
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764 }
765
dc667ea Hide select export and import
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766 /** Print header for hidden fieldset (close by </div></fieldset>)
767 * @param string
768 * @param string
769 * @param bool
770 * @return null
771 */
772 function print_fieldset($id, $legend, $visible = false) {
773 echo "<fieldset><legend><a href='#fieldset-$id' onclick=\"return !toggle('fieldset-$id');\">$legend</a></legend><div id='fieldset-$id'" . ($visible ? "" : " class='hidden'") . ">\n";
774 }
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775
776 /** Enclose $string to <b> if $bold is true
777 * @param string
778 * @param bool
779 * @return string
780 */
781 function bold($string, $bold) {
782 return ($bold ? "<b>$string</b>" : $string);
783 }
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