forked from WordPress/WordPress
-
Notifications
You must be signed in to change notification settings - Fork 0
/
wp-blog-header.php
258 lines (222 loc) · 8.22 KB
/
wp-blog-header.php
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
<?php
if (! isset($wp_did_header)):
if ( !file_exists( dirname(__FILE__) . '/wp-config.php') ) {
if ( strstr( $_SERVER['PHP_SELF'], 'wp-admin') ) $path = '';
else $path = 'wp-admin/';
die("There doesn't seem to be a <code>wp-config.php</code> file. I need this before we can get started. Need more help? <a href='http://wordpress.org/docs/faq/#wp-config'>We got it</a>. You can <a href='{$path}setup-config.php'>create a <code>wp-config.php</code> file through a web interface</a>, but this doesn't work for all server setups. The safest way is to manually create the file.");
}
$wp_did_header = true;
require_once( dirname(__FILE__) . '/wp-config.php');
$query_vars = array();
// Process PATH_INFO and 404.
if ((isset($_GET['error']) && $_GET['error'] == '404') ||
((! empty($_SERVER['PATH_INFO'])) &&
('/' != $_SERVER['PATH_INFO']) &&
(false === strpos($_SERVER['PATH_INFO'], '.php'))
)) {
// If we match a rewrite rule, this will be cleared.
$error = '404';
// Fetch the rewrite rules.
$rewrite = $wp_rewrite->wp_rewrite_rules();
if (! empty($rewrite)) {
$pathinfo = $_SERVER['PATH_INFO'];
$req_uri = $_SERVER['REQUEST_URI'];
$home_path = parse_url(get_settings('home'));
$home_path = $home_path['path'];
// Trim path info from the end and the leading home path from the
// front. For path info requests, this leaves us with the requesting
// filename, if any. For 404 requests, this leaves us with the
// requested permalink.
$req_uri = str_replace($pathinfo, '', $req_uri);
$req_uri = str_replace($home_path, '', $req_uri);
$req_uri = trim($req_uri, '/');
$pathinfo = trim($pathinfo, '/');
// The requested permalink is in $pathinfo for path info requests and
// $req_uri for other requests.
if (! empty($pathinfo)) {
$request = $pathinfo;
} else {
$request = $req_uri;
}
// Look for matches.
$request_match = $request;
foreach ($rewrite as $match => $query) {
// If the requesting file is the anchor of the match, prepend it
// to the path info.
if ((! empty($req_uri)) && (strpos($match, $req_uri) === 0)) {
$request_match = $req_uri . '/' . $request;
}
if (preg_match("!^$match!", $request_match, $matches)) {
// Got a match.
// Trim the query of everything up to the '?'.
$query = preg_replace("!^.+\?!", '', $query);
// Substitute the substring matches into the query.
eval("\$query = \"$query\";");
// Parse the query.
parse_str($query, $query_vars);
// If we're processing a 404 request, clear the error var
// since we found something.
if (isset($_GET['error'])) {
unset($_GET['error']);
}
if (isset($error)) {
unset($error);
}
break;
}
}
}
}
$wpvarstoreset = array('m','p','posts','w', 'cat','withcomments','s','search','exact', 'sentence','preview','debug', 'calendar','page','paged','more','tb', 'pb','author','order','orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'feed', 'author_name', 'static', 'pagename', 'page_id', 'error', 'comments_popup');
$wpvarstoreset = apply_filters('query_vars', $wpvarstoreset);
for ($i=0; $i<count($wpvarstoreset); $i += 1) {
$wpvar = $wpvarstoreset[$i];
if (!isset($$wpvar)) {
if (empty($_POST[$wpvar])) {
if (empty($_GET[$wpvar]) && empty($query_vars[$wpvar])) {
$$wpvar = '';
} elseif (!empty($_GET[$wpvar])) {
$$wpvar = $_GET[$wpvar];
} else {
$$wpvar = $query_vars[$wpvar];
}
} else {
$$wpvar = $_POST[$wpvar];
}
}
}
// Sending HTTP headers
if ( !empty($error) && '404' == $error ) {
if ( preg_match('/cgi/', php_sapi_name()) )
@header('Status: 404 Not Found');
else
@header('HTTP/1.x 404 Not Found');
} else if ( empty($feed) ) {
@header('X-Pingback: '. get_bloginfo('pingback_url'));
@header('Content-type: ' . get_option('html_type') . '; charset=' . get_option('blog_charset'));
} else {
// We're showing a feed, so WP is indeed the only thing that last changed
if ( $withcomments )
$wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastcommentmodified('GMT'), 0).' GMT';
else
$wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastpostmodified('GMT'), 0).' GMT';
$wp_etag = '"' . md5($wp_last_modified) . '"';
@header("Last-Modified: $wp_last_modified");
@header("ETag: $wp_etag");
@header('X-Pingback: ' . get_bloginfo('pingback_url'));
// Support for Conditional GET
if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) $client_last_modified = $_SERVER['HTTP_IF_MODIFIED_SINCE'];
else $client_last_modified = false;
if (isset($_SERVER['HTTP_IF_NONE_MATCH'])) $client_etag = stripslashes($_SERVER['HTTP_IF_NONE_MATCH']);
else $client_etag = false;
if ( ($client_last_modified && $client_etag) ?
(($client_last_modified == $wp_last_modified) && ($client_etag == $wp_etag)) :
(($client_last_modified == $wp_last_modified) || ($client_etag == $wp_etag)) ) {
if ( preg_match('/cgi/',php_sapi_name()) ) {
header('Status: 304 Not Modified');
echo "\r\n\r\n";
exit;
} else {
if ( version_compare(phpversion(), '4.3.0', '>=') ) {
header('Not Modified', TRUE, 304);
} else {
header('HTTP/1.x 304 Not Modified');
}
exit;
}
}
}
$use_gzipcompression = get_settings('gzipcompression');
$more_wpvars = array('posts_per_page', 'posts_per_archive_page', 'what_to_show', 'showposts', 'nopaging');
// Construct the query string.
$query_string = '';
foreach (array_merge($wpvarstoreset, $more_wpvars) as $wpvar) {
if ($$wpvar != '') {
$query_string .= (strlen($query_string) < 1) ? '' : '&';
$query_string .= $wpvar . '=' . rawurlencode($$wpvar);
}
}
$query_string = apply_filters('query_string', $query_string);
update_category_cache();
// Call query posts to do the work.
$posts = query_posts($query_string);
// Extract updated query vars back into global namespace.
extract($wp_query->query_vars);
if ( is_single() || is_page() ) {
$more = 1;
$single = 1;
}
// Issue a 404 if a permalink request doesn't match any posts. Don't issue a
// 404 if one was already issued, if the request was a search, or if the
// request was a regular query string request rather than a permalink request.
if ( (0 == count($posts)) && !is_404() && !is_search()
&& !empty($_SERVER['QUERY_STRING']) &&
(false === strpos($_SERVER['REQUEST_URI'], '?')) ) {
$wp_query->is_404 = true;
if ( preg_match('/cgi/', php_sapi_name()) )
@header('Status: 404 Not Found');
else
@header('HTTP/1.x 404 Not Found');
}
if ($pagenow != 'post.php' && $pagenow != 'edit.php') {
if ( get_settings('gzipcompression') )
gzip_compression();
}
// Template redirection
if ( defined('WP_USE_THEMES') && constant('WP_USE_THEMES') ) {
do_action('template_redirect');
if ( is_feed() && empty($doing_rss) ) {
include(ABSPATH . '/wp-feed.php');
exit;
} else if ( is_trackback() && empty($doing_trackback) ) {
include(ABSPATH . '/wp-trackback.php');
exit;
} else if ( is_404() && get_404_template() ) {
include(get_404_template());
exit;
} else if ( is_search() && get_search_template() ) {
include(get_search_template());
exit;
} else if ( is_home() && get_home_template() ) {
include(get_home_template());
exit;
} else if ( is_single() && get_single_template() ) {
include(get_single_template());
exit;
} else if ( is_page() && get_page_template() ) {
include(get_page_template());
exit;
} else if ( is_category() && get_category_template()) {
include(get_category_template());
exit;
} else if ( is_author() && get_author_template() ) {
include(get_author_template());
exit;
} else if ( is_date() && get_date_template() ) {
include(get_date_template());
exit;
} else if ( is_archive() && get_archive_template() ) {
include(get_archive_template());
exit;
} else if ( is_comments_popup() && get_comments_popup_template() ) {
include(get_comments_popup_template());
exit;
} else if ( is_paged() && get_paged_template() ) {
include(get_paged_template());
exit;
} else if ( file_exists(TEMPLATEPATH . "/index.php") ) {
include(TEMPLATEPATH . "/index.php");
exit;
}
} else {
// Process feeds and trackbacks even if not using themes.
if ( is_feed() && empty($doing_rss) ) {
include(ABSPATH . '/wp-feed.php');
exit;
} else if ( is_trackback() && empty($doing_trackback) ) {
include(ABSPATH . '/wp-trackback.php');
exit;
}
}
endif;
?>