1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
|
<?php
function wpcf7_autop( $pee, $br = 1 ) { if ( trim( $pee ) === '' ) { return ''; }
$pee = $pee . "\n"; // just to make things a little easier, pad the end $pee = preg_replace( '|<br />\s*<br />|', "\n\n", $pee ); // Space things out a little /* wpcf7: remove select and input */ $allblocks = '(?:table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|legend|section|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary)'; $pee = preg_replace( '!(<' . $allblocks . '[^>]*>)!', "\n$1", $pee ); $pee = preg_replace( '!(</' . $allblocks . '>)!', "$1\n\n", $pee );
/* wpcf7: take care of [response], [recaptcha], and [hidden] tags */ $form_tags_manager = WPCF7_FormTagsManager::get_instance(); $block_hidden_form_tags = $form_tags_manager->collect_tag_types( array( 'display-block', 'display-hidden' ) ); $block_hidden_form_tags = sprintf( '(?:%s)', implode( '|', $block_hidden_form_tags ) );
$pee = preg_replace( '!(\[' . $block_hidden_form_tags . '[^]]*\])!', "\n$1\n\n", $pee );
$pee = str_replace( array( "\r\n", "\r" ), "\n", $pee ); // cross-platform newlines
if ( strpos( $pee, '<object' ) !== false ) { $pee = preg_replace( '|\s*<param([^>]*)>\s*|', "<param$1>", $pee ); // no pee inside object/embed $pee = preg_replace( '|\s*</embed>\s*|', '</embed>', $pee ); }
$pee = preg_replace( "/\n\n+/", "\n\n", $pee ); // take care of duplicates // make paragraphs, including one at the end $pees = preg_split( '/\n\s*\n/', $pee, -1, PREG_SPLIT_NO_EMPTY ); $pee = '';
foreach ( $pees as $tinkle ) { $pee .= '<p>' . trim( $tinkle, "\n" ) . "</p>\n"; }
$pee = preg_replace( '|<p>\s*</p>|', '', $pee ); // under certain strange conditions it could create a P of entirely whitespace $pee = preg_replace( '!<p>([^<]+)</(div|address|form|fieldset)>!', "<p>$1</p></$2>", $pee ); $pee = preg_replace( '!<p>\s*(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee ); // don't pee all over a tag $pee = preg_replace( "|<p>(<li.+?)</p>|", "$1", $pee ); // problem with nested lists $pee = preg_replace( '|<p><blockquote([^>]*)>|i', "<blockquote$1><p>", $pee ); $pee = str_replace( '</blockquote></p>', '</p></blockquote>', $pee ); $pee = preg_replace( '!<p>\s*(</?' . $allblocks . '[^>]*>)!', "$1", $pee ); $pee = preg_replace( '!(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee );
/* wpcf7: take care of [response], [recaptcha], and [hidden] tag */ $pee = preg_replace( '!<p>\s*(\[' . $block_hidden_form_tags . '[^]]*\])!', "$1", $pee ); $pee = preg_replace( '!(\[' . $block_hidden_form_tags . '[^]]*\])\s*</p>!', "$1", $pee );
if ( $br ) { /* wpcf7: add textarea */ $pee = preg_replace_callback( '/<(script|style|textarea).*?<\/\\1>/s', 'wpcf7_autop_preserve_newline_callback', $pee ); $pee = preg_replace( '|(?<!<br />)\s*\n|', "<br />\n", $pee ); // optionally make line breaks $pee = str_replace( '<WPPreserveNewline />', "\n", $pee );
/* wpcf7: remove extra <br /> just added before [response], [recaptcha], and [hidden] tags */ $pee = preg_replace( '!<br />\n(\[' . $block_hidden_form_tags . '[^]]*\])!', "\n$1", $pee ); }
$pee = preg_replace( '!(</?' . $allblocks . '[^>]*>)\s*<br />!', "$1", $pee ); $pee = preg_replace( '!<br />(\s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)[^>]*>)!', '$1', $pee );
if ( strpos( $pee, '<pre' ) !== false ) { $pee = preg_replace_callback( '!(<pre[^>]*>)(.*?)</pre>!is', 'clean_pre', $pee ); }
$pee = preg_replace( "|\n</p>$|", '</p>', $pee );
return $pee; }
function wpcf7_autop_preserve_newline_callback( $matches ) { return str_replace( "\n", '<WPPreserveNewline />', $matches[0] ); }
function wpcf7_sanitize_query_var( $text ) { $text = wp_unslash( $text ); $text = wp_check_invalid_utf8( $text );
if ( false !== strpos( $text, '<' ) ) { $text = wp_pre_kses_less_than( $text ); $text = wp_strip_all_tags( $text ); }
$text = preg_replace( '/%[a-f0-9]{2}/i', '', $text ); $text = preg_replace( '/ +/', ' ', $text ); $text = trim( $text, ' ' );
return $text; }
function wpcf7_strip_quote( $text ) { $text = trim( $text );
if ( preg_match( '/^"(.*)"$/s', $text, $matches ) ) { $text = $matches[1]; } elseif ( preg_match( "/^'(.*)'$/s", $text, $matches ) ) { $text = $matches[1]; }
return $text; }
function wpcf7_strip_quote_deep( $arr ) { if ( is_string( $arr ) ) { return wpcf7_strip_quote( $arr ); }
if ( is_array( $arr ) ) { $result = array();
foreach ( $arr as $key => $text ) { $result[$key] = wpcf7_strip_quote_deep( $text ); }
return $result; } }
function wpcf7_normalize_newline( $text, $to = "\n" ) { if ( ! is_string( $text ) ) { return $text; }
$nls = array( "\r\n", "\r", "\n" );
if ( ! in_array( $to, $nls ) ) { return $text; }
return str_replace( $nls, $to, $text ); }
function wpcf7_normalize_newline_deep( $arr, $to = "\n" ) { if ( is_array( $arr ) ) { $result = array();
foreach ( $arr as $key => $text ) { $result[$key] = wpcf7_normalize_newline_deep( $text, $to ); }
return $result; }
return wpcf7_normalize_newline( $arr, $to ); }
function wpcf7_strip_newline( $str ) { $str = (string) $str; $str = str_replace( array( "\r", "\n" ), '', $str ); return trim( $str ); }
function wpcf7_canonicalize( $text, $strto = 'lower' ) { if ( function_exists( 'mb_convert_kana' ) and 'UTF-8' == get_option( 'blog_charset' ) ) { $text = mb_convert_kana( $text, 'asKV', 'UTF-8' ); }
if ( 'lower' == $strto ) { $text = strtolower( $text ); } elseif ( 'upper' == $strto ) { $text = strtoupper( $text ); }
$text = trim( $text ); return $text; }
/** * Check whether a string is a valid NAME token. * * ID and NAME tokens must begin with a letter ([A-Za-z]) * and may be followed by any number of letters, digits ([0-9]), * hyphens ("-"), underscores ("_"), colons (":"), and periods ("."). * * @see http://www.w3.org/TR/html401/types.html#h-6.2 * * @return bool True if it is a valid name, false if not. */ function wpcf7_is_name( $string ) { return preg_match( '/^[A-Za-z][-A-Za-z0-9_:.]*$/', $string ); }
function wpcf7_sanitize_unit_tag( $tag ) { $tag = preg_replace( '/[^A-Za-z0-9_-]/', '', $tag ); return $tag; }
function wpcf7_is_email( $email ) { $result = is_email( $email ); return apply_filters( 'wpcf7_is_email', $result, $email ); }
function wpcf7_is_url( $url ) { $result = ( false !== filter_var( $url, FILTER_VALIDATE_URL ) ); return apply_filters( 'wpcf7_is_url', $result, $url ); }
function wpcf7_is_tel( $tel ) { $result = preg_match( '%^[+]?[0-9()/ -]*$%', $tel ); return apply_filters( 'wpcf7_is_tel', $result, $tel ); }
function wpcf7_is_number( $number ) { $result = is_numeric( $number ); return apply_filters( 'wpcf7_is_number', $result, $number ); }
function wpcf7_is_date( $date ) { $result = preg_match( '/^([0-9]{4,})-([0-9]{2})-([0-9]{2})$/', $date, $matches );
if ( $result ) { $result = checkdate( $matches[2], $matches[3], $matches[1] ); }
return apply_filters( 'wpcf7_is_date', $result, $date ); }
function wpcf7_is_mailbox_list( $mailbox_list ) { if ( ! is_array( $mailbox_list ) ) { $mailbox_text = (string) $mailbox_list; $mailbox_text = wp_unslash( $mailbox_text );
$mailbox_text = preg_replace( '/\\\\(?:\"|\')/', 'esc-quote', $mailbox_text );
$mailbox_text = preg_replace( '/(?:\".*?\"|\'.*?\')/', 'quoted-string', $mailbox_text );
$mailbox_list = explode( ',', $mailbox_text ); }
$addresses = array();
foreach ( $mailbox_list as $mailbox ) { if ( ! is_string( $mailbox ) ) { return false; }
$mailbox = trim( $mailbox );
if ( preg_match( '/<(.+)>$/', $mailbox, $matches ) ) { $addr_spec = $matches[1]; } else { $addr_spec = $mailbox; }
if ( ! wpcf7_is_email( $addr_spec ) ) { return false; }
$addresses[] = $addr_spec; }
return $addresses; }
function wpcf7_is_email_in_domain( $email, $domain ) { $email_list = wpcf7_is_mailbox_list( $email ); $domain = strtolower( $domain );
foreach ( $email_list as $email ) { $email_domain = substr( $email, strrpos( $email, '@' ) + 1 ); $email_domain = strtolower( $email_domain ); $domain_parts = explode( '.', $domain );
do { $site_domain = implode( '.', $domain_parts );
if ( $site_domain == $email_domain ) { continue 2; }
array_shift( $domain_parts ); } while ( $domain_parts );
return false; }
return true; }
function wpcf7_is_email_in_site_domain( $email ) { if ( wpcf7_is_localhost() ) { return true; }
$site_domain = strtolower( $_SERVER['SERVER_NAME'] );
if ( preg_match( '/^[0-9.]+$/', $site_domain ) ) { // 123.456.789.012 return true; }
if ( wpcf7_is_email_in_domain( $email, $site_domain ) ) { return true; }
$home_url = home_url();
// for interoperability with WordPress MU Domain Mapping plugin if ( is_multisite() and function_exists( 'domain_mapping_siteurl' ) ) { $domain_mapping_siteurl = domain_mapping_siteurl( false );
if ( $domain_mapping_siteurl ) { $home_url = $domain_mapping_siteurl; } }
if ( preg_match( '%^https?://([^/]+)%', $home_url, $matches ) ) { $site_domain = strtolower( $matches[1] );
if ( $site_domain != strtolower( $_SERVER['SERVER_NAME'] ) and wpcf7_is_email_in_domain( $email, $site_domain ) ) { return true; } }
return false; }
function wpcf7_antiscript_file_name( $filename ) { $filename = basename( $filename ); $parts = explode( '.', $filename );
if ( count( $parts ) < 2 ) { return $filename; }
$script_pattern = '/^(php|phtml|pl|py|rb|cgi|asp|aspx)\d?$/i';
$filename = array_shift( $parts ); $extension = array_pop( $parts );
foreach ( (array) $parts as $part ) { if ( preg_match( $script_pattern, $part ) ) { $filename .= '.' . $part . '_'; } else { $filename .= '.' . $part; } }
if ( preg_match( $script_pattern, $extension ) ) { $filename .= '.' . $extension . '_.txt'; } else { $filename .= '.' . $extension; }
return $filename; }
function wpcf7_mask_password( $text, $length_unmasked = 0 ) { $length = strlen( $text ); $length_unmasked = absint( $length_unmasked );
if ( 0 == $length_unmasked ) { if ( 9 < $length ) { $length_unmasked = 4; } elseif ( 3 < $length ) { $length_unmasked = 2; } else { $length_unmasked = $length; } }
$text = substr( $text, 0 - $length_unmasked ); $text = str_pad( $text, $length, '*', STR_PAD_LEFT ); return $text; }
|