| 1 |
<?php |
| 2 |
/* |
| 3 |
Plugin Name: HTTP Headers |
| 4 |
Plugin URI: https://zinoui.com/blog/http-headers-for-wordpress |
| 5 |
Description: A plugin for HTTP headers management including security, access-control (CORS), caching, compression, and authentication. |
| 6 |
Version: 1.11.0 |
| 7 |
Author: Dimitar Ivanov |
| 8 |
Author URI: https://zinoui.com |
| 9 |
License: GPLv2 or later |
| 10 |
Text Domain: http-headers |
| 11 |
*/ |
| 12 |
|
| 13 |
/* |
| 14 |
This program is free software; you can redistribute it and/or |
| 15 |
modify it under the terms of the GNU General Public License |
| 16 |
as published by the Free Software Foundation; either version 2 |
| 17 |
of the License, or (at your option) any later version. |
| 18 |
|
| 19 |
This program is distributed in the hope that it will be useful, |
| 20 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 22 |
GNU General Public License for more details. |
| 23 |
|
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You should have received a copy of the GNU General Public License |
| 25 |
along with this program. If not, see <http://www.gnu.org/copyleft/gpl.html>. |
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|
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Copyright (c) 2017-2018 Zino UI |
| 28 |
*/ |
| 29 |
|
| 30 |
if (!defined('ABSPATH')) { |
| 31 |
exit; |
| 32 |
} |
| 33 |
|
| 34 |
if (get_option('hh_strict_transport_security_max_age') === false) { |
| 35 |
$value = get_option('hh_strict_transport_security_value'); |
| 36 |
$max_age = preg_match('/max-age=(\d+)/', $value, $match) ? $match[1] : 0; |
| 37 |
$sub_domains = strpos($value, 'includeSubDomains') !== false ? 1 : 0; |
| 38 |
add_option('hh_strict_transport_security_max_age', $max_age, null, 'yes'); |
| 39 |
add_option('hh_strict_transport_security_sub_domains', $sub_domains, null, 'yes'); |
| 40 |
add_option('hh_strict_transport_security_preload', 0, null, 'yes'); |
| 41 |
} |
| 42 |
|
| 43 |
if (get_option('hh_referrer_policy') === false) { |
| 44 |
add_option('hh_referrer_policy', 0, null, 'yes'); |
| 45 |
add_option('hh_referrer_policy_value', null, null, 'yes'); |
| 46 |
} |
| 47 |
|
| 48 |
if (get_option('hh_content_security_policy') === false) { |
| 49 |
add_option('hh_content_security_policy', 0, null, 'yes'); |
| 50 |
add_option('hh_content_security_policy_value', null, null, 'yes'); |
| 51 |
} |
| 52 |
|
| 53 |
if (get_option('hh_content_security_policy_report_only') === false) { |
| 54 |
add_option('hh_content_security_policy_report_only', 0, null, 'yes'); |
| 55 |
} |
| 56 |
|
| 57 |
if (get_option('hh_public_key_pins_report_only') === false) { |
| 58 |
add_option('hh_public_key_pins_report_only', 0, null, 'yes'); |
| 59 |
} |
| 60 |
|
| 61 |
if (get_option('hh_x_xxs_protection_uri') === false) { |
| 62 |
add_option('hh_x_xxs_protection_uri', null, null, 'yes'); |
| 63 |
} |
| 64 |
|
| 65 |
if (get_option('hh_method') === false) { |
| 66 |
add_option('hh_method', 'php', null, 'yes'); |
| 67 |
} |
| 68 |
|
| 69 |
if (get_option('hh_connection') === false) { |
| 70 |
add_option('hh_connection', 0, null, 'yes'); |
| 71 |
add_option('hh_connection_value', null, null, 'yes'); |
| 72 |
} |
| 73 |
|
| 74 |
if (get_option('hh_cache_control') === false) { |
| 75 |
add_option('hh_cache_control', 0, null, 'yes'); |
| 76 |
add_option('hh_cache_control_value', null, null, 'yes'); |
| 77 |
} |
| 78 |
|
| 79 |
if (get_option('hh_age') === false) { |
| 80 |
add_option('hh_age', 0, null, 'yes'); |
| 81 |
add_option('hh_age_value', null, null, 'yes'); |
| 82 |
} |
| 83 |
|
| 84 |
if (get_option('hh_pragma') === false) { |
| 85 |
add_option('hh_pragma', 0, null, 'yes'); |
| 86 |
add_option('hh_pragma_value', null, null, 'yes'); |
| 87 |
} |
| 88 |
|
| 89 |
if (get_option('hh_expires') === false) { |
| 90 |
add_option('hh_expires', 0, null, 'yes'); |
| 91 |
add_option('hh_expires_value', null, null, 'yes'); |
| 92 |
add_option('hh_expires_type', null, null, 'yes'); |
| 93 |
} |
| 94 |
|
| 95 |
if (get_option('hh_content_encoding') === false) { |
| 96 |
add_option('hh_content_encoding', 0, null, 'yes'); |
| 97 |
add_option('hh_content_encoding_value', null, null, 'yes'); |
| 98 |
add_option('hh_content_encoding_ext', null, null, 'yes'); |
| 99 |
} |
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|
| 101 |
if (get_option('hh_vary') === false) { |
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add_option('hh_vary', 0, null, 'yes'); |
| 103 |
add_option('hh_vary_value', null, null, 'yes'); |
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} |
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|
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if (get_option('hh_x_powered_by') === false) { |
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add_option('hh_x_powered_by', 0, null, 'yes'); |
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add_option('hh_x_powered_by_option', null, null, 'yes'); |
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add_option('hh_x_powered_by_value', null, null, 'yes'); |
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} |
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|
| 112 |
if (get_option('hh_www_authenticate') === false) { |
| 113 |
add_option('hh_www_authenticate', 0, null, 'yes'); |
| 114 |
add_option('hh_www_authenticate_type', null, null, 'yes'); |
| 115 |
add_option('hh_www_authenticate_realm', null, null, 'yes'); |
| 116 |
add_option('hh_www_authenticate_user', null, null, 'yes'); |
| 117 |
add_option('hh_www_authenticate_pswd', null, null, 'yes'); |
| 118 |
} |
| 119 |
|
| 120 |
if (get_option('hh_cookie_security') === false) { |
| 121 |
add_option('hh_cookie_security', 0, null, 'yes'); |
| 122 |
add_option('hh_cookie_security_value', null, null, 'yes'); |
| 123 |
} |
| 124 |
|
| 125 |
if (get_option('hh_expect_ct') === false) { |
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add_option('hh_expect_ct', 0, null, 'yes'); |
| 127 |
add_option('hh_expect_ct_max_age', null, null, 'yes'); |
| 128 |
add_option('hh_expect_ct_report_uri', null, null, 'yes'); |
| 129 |
add_option('hh_expect_ct_enforce', null, null, 'yes'); |
| 130 |
} |
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|
| 132 |
if (get_option('hh_timing_allow_origin') === false) { |
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add_option('hh_timing_allow_origin', 0, null, 'yes'); |
| 134 |
add_option('hh_timing_allow_origin_value', null, null, 'yes'); |
| 135 |
add_option('hh_timing_allow_origin_url', null, null, 'yes'); |
| 136 |
} |
| 137 |
|
| 138 |
if (get_option('hh_custom_headers') === false) { |
| 139 |
add_option('hh_custom_headers', 0, null, 'yes'); |
| 140 |
add_option('hh_custom_headers_value', null, null, 'yes'); |
| 141 |
} |
| 142 |
|
| 143 |
if (get_option('hh_x_permitted_cross_domain_policies') === false) { |
| 144 |
add_option('hh_x_permitted_cross_domain_policies', 0, null, 'yes'); |
| 145 |
add_option('hh_x_permitted_cross_domain_policies_value', null, null, 'yes'); |
| 146 |
} |
| 147 |
|
| 148 |
if (get_option('hh_x_download_options') === false) { |
| 149 |
add_option('hh_x_download_options', 0, null, 'yes'); |
| 150 |
add_option('hh_x_download_options_value', null, null, 'yes'); |
| 151 |
} |
| 152 |
|
| 153 |
if (get_option('hh_x_dns_prefetch_control') === false) { |
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add_option('hh_x_dns_prefetch_control', 0, null, 'yes'); |
| 155 |
add_option('hh_x_dns_prefetch_control_value', null, null, 'yes'); |
| 156 |
} |
| 157 |
|
| 158 |
if (get_option('hh_report_to') === false) { |
| 159 |
add_option('hh_report_to', 0, null, 'yes'); |
| 160 |
add_option('hh_report_to_value', null, null, 'yes'); |
| 161 |
} |
| 162 |
|
| 163 |
if (get_option('hh_feature_policy') === false) { |
| 164 |
add_option('hh_feature_policy', 0, null, 'yes'); |
| 165 |
add_option('hh_feature_policy_feature', null, null, 'yes'); |
| 166 |
add_option('hh_feature_policy_origin', null, null, 'yes'); |
| 167 |
add_option('hh_feature_policy_value', null, null, 'yes'); |
| 168 |
} |
| 169 |
|
| 170 |
if (get_option('hh_clear_site_data') === false) { |
| 171 |
add_option('hh_clear_site_data', 0, null, 'yes'); |
| 172 |
add_option('hh_clear_site_data_value', null, null, 'yes'); |
| 173 |
} |
| 174 |
|
| 175 |
function get_http_headers() { |
| 176 |
$statuses = array(); |
| 177 |
$unset = array(); |
| 178 |
$headers = array(); |
| 179 |
$append = array(); |
| 180 |
if (get_option('hh_x_frame_options') == 1) { |
| 181 |
$x_frame_options_value = strtoupper(get_option('hh_x_frame_options_value')); |
| 182 |
if ($x_frame_options_value == 'ALLOW-FROM') { |
| 183 |
$x_frame_options_value .= ' ' . get_option('hh_x_frame_options_domain'); |
| 184 |
} |
| 185 |
$headers['X-Frame-Options'] = $x_frame_options_value; |
| 186 |
} |
| 187 |
if (get_option('hh_x_powered_by') == 1) { |
| 188 |
if (get_option('hh_x_powered_by_option') == 'set') { |
| 189 |
$headers['X-Powered-By'] = get_option('hh_x_powered_by_value'); |
| 190 |
} else { |
| 191 |
$unset[] = 'X-Powered-By'; |
| 192 |
} |
| 193 |
} |
| 194 |
if (get_option('hh_x_xxs_protection') == 1) { |
| 195 |
$headers['X-XSS-Protection'] = get_option('hh_x_xxs_protection_value'); |
| 196 |
if ($headers['X-XSS-Protection'] == '1; report=') { |
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$headers['X-XSS-Protection'] .= get_option('hh_x_xxs_protection_uri'); |
| 198 |
} |
| 199 |
} |
| 200 |
if (get_option('hh_x_content_type_options') == 1) { |
| 201 |
$headers['X-Content-Type-Options'] = get_option('hh_x_content_type_options_value'); |
| 202 |
} |
| 203 |
if (get_option('hh_x_download_options') == 1) { |
| 204 |
$headers['X-Download-Options'] = get_option('hh_x_download_options_value'); |
| 205 |
} |
| 206 |
if (get_option('hh_x_permitted_cross_domain_policies') == 1) { |
| 207 |
$headers['X-Permitted-Cross-Domain-Policies'] = get_option('hh_x_permitted_cross_domain_policies_value'); |
| 208 |
} |
| 209 |
if (get_option('hh_x_dns_prefetch_control') == 1) { |
| 210 |
$headers['X-DNS-Prefetch-Control'] = get_option('hh_x_dns_prefetch_control_value'); |
| 211 |
} |
| 212 |
if (get_option('hh_connection') == 1) { |
| 213 |
$headers['Connection'] = get_option('hh_connection_value'); |
| 214 |
} |
| 215 |
if (get_option('hh_pragma') == 1) { |
| 216 |
$headers['Pragma'] = get_option('hh_pragma_value'); |
| 217 |
} |
| 218 |
if (get_option('hh_age') == 1) { |
| 219 |
$headers['Age'] = sprintf("%u", get_option('hh_age_value')); |
| 220 |
} |
| 221 |
if (get_option('hh_cache_control') == 1) { |
| 222 |
$hh_cache_control_value = get_option('hh_cache_control_value', array()); |
| 223 |
$tmp = array(); |
| 224 |
foreach ($hh_cache_control_value as $k => $v) { |
| 225 |
if (in_array($k, array('max-age', 's-maxage'))) { |
| 226 |
if (strlen($v) > 0) { |
| 227 |
$tmp[] = sprintf("%s=%u", $k, $v); |
| 228 |
} |
| 229 |
} else { |
| 230 |
$tmp[] = $k; |
| 231 |
} |
| 232 |
} |
| 233 |
$hh_cache_control_value = join(', ', $tmp); |
| 234 |
$headers['Cache-Control'] = $hh_cache_control_value; |
| 235 |
} |
| 236 |
if (get_option('hh_strict_transport_security') == 1) { |
| 237 |
$hh_strict_transport_security = array(); |
| 238 |
|
| 239 |
$hh_strict_transport_security_max_age = get_option('hh_strict_transport_security_max_age'); |
| 240 |
if ($hh_strict_transport_security_max_age !== false) |
| 241 |
{ |
| 242 |
$hh_strict_transport_security[] = sprintf('max-age=%u', get_option('hh_strict_transport_security_max_age')); |
| 243 |
if (get_option('hh_strict_transport_security_sub_domains')) |
| 244 |
{ |
| 245 |
$hh_strict_transport_security[] = 'includeSubDomains'; |
| 246 |
} |
| 247 |
if (get_option('hh_strict_transport_security_preload')) |
| 248 |
{ |
| 249 |
$hh_strict_transport_security[] = 'preload'; |
| 250 |
} |
| 251 |
} else { |
| 252 |
$hh_strict_transport_security = array(get_option('hh_strict_transport_security_value')); |
| 253 |
} |
| 254 |
$headers['Strict-Transport-Security'] = join('; ', $hh_strict_transport_security); |
| 255 |
} |
| 256 |
if (get_option('hh_x_ua_compatible') == 1) { |
| 257 |
$headers['X-UA-Compatible'] = get_option('hh_x_ua_compatible_value'); |
| 258 |
} |
| 259 |
if (get_option('hh_public_key_pins') == 1) { |
| 260 |
$public_key_pins_sha256_1 = get_option('hh_public_key_pins_sha256_1'); |
| 261 |
$public_key_pins_sha256_2 = get_option('hh_public_key_pins_sha256_2'); |
| 262 |
$public_key_pins_max_age = get_option('hh_public_key_pins_max_age'); |
| 263 |
$public_key_pins_sub_domains = get_option('hh_public_key_pins_sub_domains'); |
| 264 |
$public_key_pins_report_uri = get_option('hh_public_key_pins_report_uri'); |
| 265 |
$public_key_pins_report_only = get_option('hh_public_key_pins_report_only'); |
| 266 |
if (!empty($public_key_pins_sha256_1) && !empty($public_key_pins_sha256_2) && !empty($public_key_pins_max_age)) { |
| 267 |
|
| 268 |
$public_key_pins = array(); |
| 269 |
$public_key_pins[] = sprintf('pin-sha256="%s"', $public_key_pins_sha256_1); |
| 270 |
$public_key_pins[] = sprintf('pin-sha256="%s"', $public_key_pins_sha256_2); |
| 271 |
$public_key_pins[] = sprintf("max-age=%u", $public_key_pins_max_age); |
| 272 |
if ($public_key_pins_sub_domains) { |
| 273 |
$public_key_pins[] = "includeSubDomains"; |
| 274 |
} |
| 275 |
if (!empty($public_key_pins_report_uri)) { |
| 276 |
$public_key_pins[] = sprintf('report-uri="%s"', $public_key_pins_report_uri); |
| 277 |
} |
| 278 |
$headers['Public-Key-Pins'.($public_key_pins_report_only ? '-Report-Only' : NULL)] = join('; ', $public_key_pins); |
| 279 |
} |
| 280 |
} |
| 281 |
|
| 282 |
if (get_option('hh_content_security_policy') == 1) |
| 283 |
{ |
| 284 |
$csp = array(); |
| 285 |
$values = get_option('hh_content_security_policy_value'); |
| 286 |
$csp_report_only = get_option('hh_content_security_policy_report_only'); |
| 287 |
foreach ($values as $key => $val) |
| 288 |
{ |
| 289 |
if (!empty($val)) |
| 290 |
{ |
| 291 |
$csp[] = sprintf("%s %s", $key, $val); |
| 292 |
} |
| 293 |
} |
| 294 |
if (!empty($csp)) |
| 295 |
{ |
| 296 |
$headers['Content-Security-Policy'.($csp_report_only ? '-Report-Only' : NULL)] = join('; ', $csp); |
| 297 |
} |
| 298 |
} |
| 299 |
|
| 300 |
if (get_option('hh_access_control_allow_origin') == 1) |
| 301 |
{ |
| 302 |
$value = get_option('hh_access_control_allow_origin_value'); |
| 303 |
switch ($value) |
| 304 |
{ |
| 305 |
case 'origin': |
| 306 |
$value = get_option('hh_access_control_allow_origin_url', array()); |
| 307 |
if (is_scalar($value)) |
| 308 |
{ |
| 309 |
$value = array($value); |
| 310 |
} |
| 311 |
break; |
| 312 |
} |
| 313 |
if (!empty($value)) |
| 314 |
{ |
| 315 |
$headers['Access-Control-Allow-Origin'] = $value; |
| 316 |
} |
| 317 |
} |
| 318 |
if (get_option('hh_access_control_allow_credentials') == 1) |
| 319 |
{ |
| 320 |
$headers['Access-Control-Allow-Credentials'] = get_option('hh_access_control_allow_credentials_value'); |
| 321 |
} |
| 322 |
if (get_option('hh_access_control_max_age') == 1) |
| 323 |
{ |
| 324 |
$value = get_option('hh_access_control_max_age_value'); |
| 325 |
if (!empty($value)) |
| 326 |
{ |
| 327 |
$headers['Access-Control-Max-Age'] = intval($value); |
| 328 |
} |
| 329 |
} |
| 330 |
if (get_option('hh_access_control_allow_methods') == 1) |
| 331 |
{ |
| 332 |
$value = get_option('hh_access_control_allow_methods_value'); |
| 333 |
if (!empty($value)) |
| 334 |
{ |
| 335 |
$headers['Access-Control-Allow-Methods'] = join(', ', array_keys($value)); |
| 336 |
} |
| 337 |
} |
| 338 |
if (get_option('hh_access_control_allow_headers') == 1) |
| 339 |
{ |
| 340 |
$value = get_option('hh_access_control_allow_headers_value'); |
| 341 |
if (!empty($value)) |
| 342 |
{ |
| 343 |
$headers['Access-Control-Allow-Headers'] = join(', ', array_keys($value)); |
| 344 |
} |
| 345 |
} |
| 346 |
if (get_option('hh_access_control_expose_headers') == 1) |
| 347 |
{ |
| 348 |
$value = get_option('hh_access_control_expose_headers_value'); |
| 349 |
if (!empty($value)) |
| 350 |
{ |
| 351 |
$headers['Access-Control-Expose-Headers'] = join(', ', array_keys($value)); |
| 352 |
} |
| 353 |
} |
| 354 |
if (get_option('hh_p3p') == 1) |
| 355 |
{ |
| 356 |
$value = get_option('hh_p3p_value'); |
| 357 |
if (!empty($value)) |
| 358 |
{ |
| 359 |
$headers['P3P'] = 'CP="' . join(' ', array_keys($value)) . '"'; |
| 360 |
} |
| 361 |
} |
| 362 |
if (get_option('hh_referrer_policy') == 1) { |
| 363 |
$headers['Referrer-Policy'] = get_option('hh_referrer_policy_value'); |
| 364 |
} |
| 365 |
if (get_option('hh_www_authenticate') == 1) { |
| 366 |
|
| 367 |
switch (get_option('hh_www_authenticate_type')) { |
| 368 |
case 'Basic': |
| 369 |
if (!(isset($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']) |
| 370 |
&& $_SERVER['PHP_AUTH_USER'] == get_option('hh_www_authenticate_user') |
| 371 |
&& $_SERVER['PHP_AUTH_PW'] == get_option('hh_www_authenticate_pswd'))) { |
| 372 |
$headers['WWW-Authenticate'] = sprintf("Basic realm='%s'", get_option('hh_www_authenticate_realm')); |
| 373 |
$statuses['HTTP/1.1'] = '401 Unauthorized'; |
| 374 |
} |
| 375 |
break; |
| 376 |
case 'Digest': |
| 377 |
if (empty($_SERVER['PHP_AUTH_DIGEST'])) { |
| 378 |
$realm = get_option('hh_www_authenticate_realm'); |
| 379 |
$headers['WWW-Authenticate'] = sprintf("Digest realm='%s',qop='auth',nonce='%s',opaque='%s'", |
| 380 |
$realm, uniqid(), md5($realm)); |
| 381 |
$statuses['HTTP/1.1'] = '401 Unauthorized'; |
| 382 |
} |
| 383 |
break; |
| 384 |
} |
| 385 |
} |
| 386 |
if (get_option('hh_vary') == 1) |
| 387 |
{ |
| 388 |
$value = get_option('hh_vary_value'); |
| 389 |
if (!empty($value)) |
| 390 |
{ |
| 391 |
$append['Vary'] = join(', ', array_keys($value)); |
| 392 |
} |
| 393 |
} |
| 394 |
|
| 395 |
if (get_option('hh_expect_ct') == 1) { |
| 396 |
$expect_ct_max_age = get_option('hh_expect_ct_max_age'); |
| 397 |
$expect_ct_report_uri = get_option('hh_expect_ct_report_uri'); |
| 398 |
if (!empty($expect_ct_report_uri) && !empty($expect_ct_max_age)) { |
| 399 |
|
| 400 |
$expect_ct = array(); |
| 401 |
$expect_ct[] = sprintf("max-age=%u", $expect_ct_max_age); |
| 402 |
if (get_option('hh_expect_ct_enforce') == 1) { |
| 403 |
$expect_ct[] = "enforce"; |
| 404 |
} |
| 405 |
$expect_ct[] = sprintf('report-uri="%s"', $expect_ct_report_uri); |
| 406 |
$headers['Expect-CT'] = join(', ', $expect_ct); |
| 407 |
} |
| 408 |
} |
| 409 |
if (get_option('hh_custom_headers') == 1) { |
| 410 |
$custom_headers = get_option('hh_custom_headers_value'); |
| 411 |
if (isset($custom_headers['name'], $custom_headers['value']) && !empty($custom_headers['name'])) { |
| 412 |
foreach ($custom_headers['name'] as $key => $name) { |
| 413 |
$name = trim($name); |
| 414 |
$value = trim($custom_headers['value'][$key]); |
| 415 |
if (empty($name) || empty($value)) { |
| 416 |
continue; |
| 417 |
} |
| 418 |
$headers[$name] = $value; |
| 419 |
} |
| 420 |
} |
| 421 |
} |
| 422 |
if (get_option('hh_report_to') == 1) { |
| 423 |
$report_to = get_option('hh_report_to_value'); |
| 424 |
$tmp = array(); |
| 425 |
foreach ($report_to as $item) |
| 426 |
{ |
| 427 |
$tmp[] = sprintf('{"url": "%s", "group": "%s", "max-age": %u%s}', |
| 428 |
$item['url'], $item['group'], $item['max-age'], isset($item['includeSubDomains']) ? ', includeSubDomains' : NULL); |
| 429 |
} |
| 430 |
$headers['Report-To'] = join(', ', $tmp); |
| 431 |
} |
| 432 |
if (get_option('hh_feature_policy') == 1) { |
| 433 |
$feature_policy_feature = get_option('hh_feature_policy_feature'); |
| 434 |
$feature_policy_value = get_option('hh_feature_policy_value'); |
| 435 |
$feature_policy_origin = get_option('hh_feature_policy_origin'); |
| 436 |
$tmp = array(); |
| 437 |
foreach ($feature_policy_feature as $feature => $whatever) |
| 438 |
{ |
| 439 |
$value = NULL; |
| 440 |
switch ($feature_policy_value[$feature]) |
| 441 |
{ |
| 442 |
case '*': |
| 443 |
case "'none'": |
| 444 |
$value = $feature_policy_value[$feature]; |
| 445 |
break; |
| 446 |
case "'self'": |
| 447 |
$value = $feature_policy_value[$feature]; |
| 448 |
if (!empty($feature_policy_origin[$feature])) |
| 449 |
{ |
| 450 |
$value .= " " . $feature_policy_origin[$feature]; |
| 451 |
} |
| 452 |
break; |
| 453 |
case 'origin(s)': |
| 454 |
$value = $feature_policy_origin[$feature]; |
| 455 |
break; |
| 456 |
} |
| 457 |
|
| 458 |
$tmp[] = sprintf("%s %s", $feature, $value); |
| 459 |
} |
| 460 |
$headers['Feature-Policy'] = join('; ', $tmp); |
| 461 |
} |
| 462 |
|
| 463 |
return array($headers, $statuses, $unset, $append); |
| 464 |
} |
| 465 |
|
| 466 |
function http_digest_parse($txt) { |
| 467 |
$txt = stripslashes($txt); |
| 468 |
|
| 469 |
$needed_parts = array('nonce'=>1, 'nc'=>1, 'cnonce'=>1, 'qop'=>1, 'username'=>1, 'uri'=>1, 'response'=>1); |
| 470 |
$data = array(); |
| 471 |
$keys = implode('|', array_keys($needed_parts)); |
| 472 |
|
| 473 |
preg_match_all('@(' . $keys . ')=(?:([\'"])([^\2]+?)\2|([^\s,]+))@', $txt, $matches, PREG_SET_ORDER); |
| 474 |
|
| 475 |
foreach ($matches as $m) { |
| 476 |
$data[$m[1]] = $m[3] ? $m[3] : $m[4]; |
| 477 |
unset($needed_parts[$m[1]]); |
| 478 |
} |
| 479 |
|
| 480 |
return $needed_parts ? false : $data; |
| 481 |
} |
| 482 |
|
| 483 |
function php_auth_digest() { |
| 484 |
if (!($data = http_digest_parse($_SERVER['PHP_AUTH_DIGEST'])) || get_option('hh_www_authenticate_user') != $data['username']) { |
| 485 |
die('Wrong Credentials!'); |
| 486 |
} |
| 487 |
|
| 488 |
$A1 = md5($data['username'] . ':' . get_option('hh_www_authenticate_realm') . ':' . get_option('hh_www_authenticate_pswd')); |
| 489 |
$A2 = md5($_SERVER['REQUEST_METHOD'].':'.$data['uri']); |
| 490 |
$valid_response = md5($A1.':'.$data['nonce'].':'.$data['nc'].':'.$data['cnonce'].':'.$data['qop'].':'.$A2); |
| 491 |
if ($data['response'] != $valid_response) { |
| 492 |
die('Wrong Credentials!'); |
| 493 |
} |
| 494 |
} |
| 495 |
|
| 496 |
function php_content_encoding() { |
| 497 |
if (substr_count($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip')) { |
| 498 |
ob_start('ob_gzhandler'); |
| 499 |
} else { |
| 500 |
ob_start(); |
| 501 |
} |
| 502 |
} |
| 503 |
|
| 504 |
function php_cookie_security_directives() { |
| 505 |
$lines = array(); |
| 506 |
if (get_option('hh_cookie_security') == 1) { |
| 507 |
$value = get_option('hh_cookie_security_value', array()); |
| 508 |
if (isset($value['HttpOnly'])) { |
| 509 |
$lines[] = 'session.cookie_httponly = on'; |
| 510 |
} |
| 511 |
if (isset($value['Secure'])) { |
| 512 |
$lines[] = 'session.cookie_secure = on'; |
| 513 |
} |
| 514 |
} |
| 515 |
|
| 516 |
return $lines; |
| 517 |
} |
| 518 |
|
| 519 |
function http_headers() { |
| 520 |
if (get_option('hh_method') !== 'php') { |
| 521 |
return; |
| 522 |
} |
| 523 |
// PHP method below |
| 524 |
list($headers, $statuses, $unset, $append) = get_http_headers(); |
| 525 |
$isCors = false; |
| 526 |
foreach ($headers as $key => $value) { |
| 527 |
if ($key == 'Access-Control-Allow-Origin') { |
| 528 |
if (isset($_SERVER['HTTP_ORIGIN'])) { |
| 529 |
if ($value == '*') { |
| 530 |
$isCors = true; |
| 531 |
header(sprintf("%s: *", $key)); |
| 532 |
} |
| 533 |
|
| 534 |
if (is_array($value) && in_array($_SERVER['HTTP_ORIGIN'], $value)) { |
| 535 |
$isCors = true; |
| 536 |
header(sprintf("%s: %s", $key, $_SERVER['HTTP_ORIGIN'])); |
| 537 |
} |
| 538 |
} |
| 539 |
continue; |
| 540 |
} |
| 541 |
if (in_array($key, array('Access-Control-Allow-Headers', 'Access-Control-Allow-Methods', 'Access-Control-Allow-Credentials', 'Access-Control-Max-Age', 'Access-Control-Expose-Headers'))) { |
| 542 |
if ($isCors) { |
| 543 |
header(sprintf("%s: %s", $key, $value)); |
| 544 |
} |
| 545 |
continue; |
| 546 |
} |
| 547 |
header(sprintf("%s: %s", $key, $value)); |
| 548 |
} |
| 549 |
foreach ($append as $key => $value) { |
| 550 |
header(sprintf("%s: %s", $key, $value), false); |
| 551 |
} |
| 552 |
foreach ($unset as $header) { |
| 553 |
if (function_exists('header_remove')) { |
| 554 |
header_remove($header); |
| 555 |
} else { |
| 556 |
header("$header:"); |
| 557 |
} |
| 558 |
} |
| 559 |
foreach ($statuses as $key => $value) { |
| 560 |
header(sprintf("%s %s", $key, $value)); |
| 561 |
exit; |
| 562 |
} |
| 563 |
|
| 564 |
if (get_option('hh_www_authenticate') == 1) { |
| 565 |
php_auth_digest(); |
| 566 |
} |
| 567 |
|
| 568 |
if (get_option('hh_content_encoding') == 1) { |
| 569 |
php_content_encoding(); |
| 570 |
} |
| 571 |
} |
| 572 |
|
| 573 |
function http_headers_admin_add_page() { |
| 574 |
add_options_page('HTTP Headers', 'HTTP Headers', 'manage_options', 'http-headers', 'http_headers_admin_page'); |
| 575 |
} |
| 576 |
|
| 577 |
function http_headers_admin() { |
| 578 |
register_setting('http-headers-mtd', 'hh_method'); |
| 579 |
register_setting('http-headers-xfo', 'hh_x_frame_options'); |
| 580 |
register_setting('http-headers-xfo', 'hh_x_frame_options_value'); |
| 581 |
register_setting('http-headers-xfo', 'hh_x_frame_options_domain'); |
| 582 |
register_setting('http-headers-xss', 'hh_x_xxs_protection'); |
| 583 |
register_setting('http-headers-xss', 'hh_x_xxs_protection_value'); |
| 584 |
register_setting('http-headers-xss', 'hh_x_xxs_protection_uri'); |
| 585 |
register_setting('http-headers-cto', 'hh_x_content_type_options'); |
| 586 |
register_setting('http-headers-cto', 'hh_x_content_type_options_value'); |
| 587 |
register_setting('http-headers-sts', 'hh_strict_transport_security'); |
| 588 |
register_setting('http-headers-sts', 'hh_strict_transport_security_value'); //obsolete |
| 589 |
register_setting('http-headers-sts', 'hh_strict_transport_security_max_age'); |
| 590 |
register_setting('http-headers-sts', 'hh_strict_transport_security_sub_domains'); |
| 591 |
register_setting('http-headers-sts', 'hh_strict_transport_security_preload'); |
| 592 |
register_setting('http-headers-pkp', 'hh_public_key_pins'); |
| 593 |
register_setting('http-headers-pkp', 'hh_public_key_pins_sha256_1'); |
| 594 |
register_setting('http-headers-pkp', 'hh_public_key_pins_sha256_2'); |
| 595 |
register_setting('http-headers-pkp', 'hh_public_key_pins_max_age'); |
| 596 |
register_setting('http-headers-pkp', 'hh_public_key_pins_sub_domains'); |
| 597 |
register_setting('http-headers-pkp', 'hh_public_key_pins_report_uri'); |
| 598 |
register_setting('http-headers-pkp', 'hh_public_key_pins_report_only'); |
| 599 |
register_setting('http-headers-uac', 'hh_x_ua_compatible'); |
| 600 |
register_setting('http-headers-uac', 'hh_x_ua_compatible_value'); |
| 601 |
register_setting('http-headers-p3p', 'hh_p3p'); |
| 602 |
register_setting('http-headers-p3p', 'hh_p3p_value'); |
| 603 |
register_setting('http-headers-rp', 'hh_referrer_policy'); |
| 604 |
register_setting('http-headers-rp', 'hh_referrer_policy_value'); |
| 605 |
register_setting('http-headers-csp', 'hh_content_security_policy'); |
| 606 |
register_setting('http-headers-csp', 'hh_content_security_policy_value'); |
| 607 |
register_setting('http-headers-csp', 'hh_content_security_policy_report_only'); |
| 608 |
register_setting('http-headers-acao', 'hh_access_control_allow_origin'); |
| 609 |
register_setting('http-headers-acao', 'hh_access_control_allow_origin_value'); |
| 610 |
register_setting('http-headers-acao', 'hh_access_control_allow_origin_url'); |
| 611 |
register_setting('http-headers-acac', 'hh_access_control_allow_credentials'); |
| 612 |
register_setting('http-headers-acac', 'hh_access_control_allow_credentials_value'); |
| 613 |
register_setting('http-headers-acam', 'hh_access_control_allow_methods'); |
| 614 |
register_setting('http-headers-acam', 'hh_access_control_allow_methods_value'); |
| 615 |
register_setting('http-headers-acah', 'hh_access_control_allow_headers'); |
| 616 |
register_setting('http-headers-acah', 'hh_access_control_allow_headers_value'); |
| 617 |
register_setting('http-headers-aceh', 'hh_access_control_expose_headers'); |
| 618 |
register_setting('http-headers-aceh', 'hh_access_control_expose_headers_value'); |
| 619 |
register_setting('http-headers-acma', 'hh_access_control_max_age'); |
| 620 |
register_setting('http-headers-acma', 'hh_access_control_max_age_value'); |
| 621 |
register_setting('http-headers-ce', 'hh_content_encoding'); |
| 622 |
register_setting('http-headers-ce', 'hh_content_encoding_value'); |
| 623 |
register_setting('http-headers-ce', 'hh_content_encoding_ext'); |
| 624 |
register_setting('http-headers-vary', 'hh_vary'); |
| 625 |
register_setting('http-headers-vary', 'hh_vary_value'); |
| 626 |
register_setting('http-headers-xpb', 'hh_x_powered_by'); |
| 627 |
register_setting('http-headers-xpb', 'hh_x_powered_by_option'); |
| 628 |
register_setting('http-headers-xpb', 'hh_x_powered_by_value'); |
| 629 |
register_setting('http-headers-wwa', 'hh_www_authenticate'); |
| 630 |
register_setting('http-headers-wwa', 'hh_www_authenticate_type'); |
| 631 |
register_setting('http-headers-wwa', 'hh_www_authenticate_realm'); |
| 632 |
register_setting('http-headers-wwa', 'hh_www_authenticate_user'); |
| 633 |
register_setting('http-headers-wwa', 'hh_www_authenticate_pswd'); |
| 634 |
register_setting('http-headers-cc', 'hh_cache_control'); |
| 635 |
register_setting('http-headers-cc', 'hh_cache_control_value'); |
| 636 |
register_setting('http-headers-age', 'hh_age'); |
| 637 |
register_setting('http-headers-age', 'hh_age_value'); |
| 638 |
register_setting('http-headers-pra', 'hh_pragma'); |
| 639 |
register_setting('http-headers-pra', 'hh_pragma_value'); |
| 640 |
register_setting('http-headers-exp', 'hh_expires'); |
| 641 |
register_setting('http-headers-exp', 'hh_expires_value'); |
| 642 |
register_setting('http-headers-exp', 'hh_expires_type'); |
| 643 |
register_setting('http-headers-con', 'hh_connection'); |
| 644 |
register_setting('http-headers-con', 'hh_connection_value'); |
| 645 |
register_setting('http-headers-cose', 'hh_cookie_security'); |
| 646 |
register_setting('http-headers-cose', 'hh_cookie_security_value'); |
| 647 |
register_setting('http-headers-ect', 'hh_expect_ct'); |
| 648 |
register_setting('http-headers-ect', 'hh_expect_ct_max_age'); |
| 649 |
register_setting('http-headers-ect', 'hh_expect_ct_report_uri'); |
| 650 |
register_setting('http-headers-ect', 'hh_expect_ct_enforce'); |
| 651 |
register_setting('http-headers-tao', 'hh_timing_allow_origin'); |
| 652 |
register_setting('http-headers-tao', 'hh_timing_allow_origin_value'); |
| 653 |
register_setting('http-headers-tao', 'hh_timing_allow_origin_url'); |
| 654 |
register_setting('http-headers-che', 'hh_custom_headers'); |
| 655 |
register_setting('http-headers-che', 'hh_custom_headers_value'); |
| 656 |
register_setting('http-headers-xdo', 'hh_x_download_options'); |
| 657 |
register_setting('http-headers-xdo', 'hh_x_download_options_value'); |
| 658 |
register_setting('http-headers-xpcd', 'hh_x_permitted_cross_domain_policies'); |
| 659 |
register_setting('http-headers-xpcd', 'hh_x_permitted_cross_domain_policies_value'); |
| 660 |
register_setting('http-headers-xdpc', 'hh_x_dns_prefetch_control'); |
| 661 |
register_setting('http-headers-xdpc', 'hh_x_dns_prefetch_control_value'); |
| 662 |
register_setting('http-headers-rt', 'hh_report_to'); |
| 663 |
register_setting('http-headers-rt', 'hh_report_to_value'); |
| 664 |
register_setting('http-headers-fp', 'hh_feature_policy'); |
| 665 |
register_setting('http-headers-fp', 'hh_feature_policy_value'); |
| 666 |
register_setting('http-headers-fp', 'hh_feature_policy_feature'); |
| 667 |
register_setting('http-headers-fp', 'hh_feature_policy_origin'); |
| 668 |
register_setting('http-headers-csd', 'hh_clear_site_data'); |
| 669 |
register_setting('http-headers-csd', 'hh_clear_site_data_value'); |
| 670 |
} |
| 671 |
|
| 672 |
function http_headers_option($option) { |
| 673 |
|
| 674 |
include_once ABSPATH . 'wp-admin/includes/admin.php'; |
| 675 |
|
| 676 |
if (isset($_POST['hh_method'])) |
| 677 |
{ |
| 678 |
check_admin_referer('http-headers-mtd-options'); |
| 679 |
# When method is changed |
| 680 |
update_headers_directives(); |
| 681 |
update_auth_credentials(); |
| 682 |
update_auth_directives(); |
| 683 |
update_content_encoding_directives(); |
| 684 |
update_expires_directives(); |
| 685 |
update_cookie_security_directives(); |
| 686 |
update_timing_directives(); |
| 687 |
|
| 688 |
} elseif (get_option('hh_method') == 'htaccess') { |
| 689 |
# When particular header is changed |
| 690 |
switch (true) { |
| 691 |
case array_key_exists('hh_www_authenticate', $_POST): |
| 692 |
check_admin_referer('http-headers-wwa-options'); |
| 693 |
update_auth_credentials(); |
| 694 |
update_auth_directives(); |
| 695 |
break; |
| 696 |
case array_key_exists('hh_content_encoding', $_POST): |
| 697 |
check_admin_referer('http-headers-ce-options'); |
| 698 |
update_content_encoding_directives(); |
| 699 |
break; |
| 700 |
case array_key_exists('hh_vary', $_POST): |
| 701 |
check_admin_referer('http-headers-vary-options'); |
| 702 |
update_content_encoding_directives(); |
| 703 |
break; |
| 704 |
case array_key_exists('hh_expires', $_POST): |
| 705 |
check_admin_referer('http-headers-exp-options'); |
| 706 |
update_expires_directives(); |
| 707 |
break; |
| 708 |
case array_key_exists('hh_cookie_security', $_POST): |
| 709 |
check_admin_referer('http-headers-cose-options'); |
| 710 |
update_cookie_security_directives(); |
| 711 |
break; |
| 712 |
case array_key_exists('hh_timing_allow_origin', $_POST): |
| 713 |
check_admin_referer('http-headers-tao-options'); |
| 714 |
update_timing_directives(); |
| 715 |
break; |
| 716 |
case array_key_exists('option_page', $_POST) && strpos($_POST['option_page'], 'http-headers-') === 0: |
| 717 |
check_admin_referer($_POST['option_page'].'-options'); |
| 718 |
update_headers_directives(); |
| 719 |
break; |
| 720 |
} |
| 721 |
} |
| 722 |
} |
| 723 |
|
| 724 |
function nginx_headers_directives() { |
| 725 |
$lines = array(); |
| 726 |
list($headers, $statuses, $unset, $append) = get_http_headers(); |
| 727 |
|
| 728 |
foreach ($unset as $header) { |
| 729 |
$lines[] = sprintf(' more_clear_headers "%s";', $header); |
| 730 |
} |
| 731 |
$cors = $cors_header = $cors_inner = $cors_footer = array(); |
| 732 |
$all = array(); |
| 733 |
foreach ($headers as $key => $value) { |
| 734 |
if (in_array($key, array('WWW-Authenticate'))) { |
| 735 |
continue; |
| 736 |
} |
| 737 |
if (in_array($key, array('X-Content-Type-Options'))) { |
| 738 |
$all[] = sprintf('add_header %s %s always;', $key, sprintf('%1$s%2$s%1$s', strpos($value, '"') === false ? '"' : "'", $value)); |
| 739 |
continue; |
| 740 |
} |
| 741 |
if ($key == 'Access-Control-Allow-Origin' && is_array($value)) { |
| 742 |
$cors_header[] = sprintf('if ($http_origin ~* ^(%s)$) {', str_replace('.', '\.', join('|', $value))); |
| 743 |
$cors_footer[] = '}'; |
| 744 |
$cors_inner[] = ' add_header Access-Control-Allow-Origin "$http_origin";'; |
| 745 |
continue; |
| 746 |
} |
| 747 |
if (in_array($key, array('Access-Control-Allow-Headers', 'Access-Control-Allow-Methods', 'Access-Control-Allow-Credentials', 'Access-Control-Max-Age', 'Access-Control-Expose-Headers'))) { |
| 748 |
$cors_inner[] = sprintf(' add_header %s %s;', $key, sprintf('%1$s%2$s%1$s', strpos($value, '"') === false ? '"' : "'", $value)); |
| 749 |
continue; |
| 750 |
} |
| 751 |
$lines[] = sprintf(' add_header %s %s;', $key, sprintf('%1$s%2$s%1$s', strpos($value, '"') === false ? '"' : "'", $value)); |
| 752 |
} |
| 753 |
foreach ($append as $key => $value) { |
| 754 |
$lines[] = sprintf(' add_header %s %s;', $key, sprintf('%1$s%2$s%1$s', strpos($value, '"') === false ? '"' : "'", $value)); |
| 755 |
} |
| 756 |
if (!empty($cors_inner)) |
| 757 |
{ |
| 758 |
$cors = array_merge( |
| 759 |
$cors_header, |
| 760 |
$cors_inner, |
| 761 |
$cors_footer |
| 762 |
); |
| 763 |
} |
| 764 |
if (!empty($lines)) { |
| 765 |
$lines = array_merge( |
| 766 |
$all, |
| 767 |
$cors, |
| 768 |
array('location ~* \.(php|html)$ {'), |
| 769 |
$lines, |
| 770 |
array('}') |
| 771 |
); |
| 772 |
} |
| 773 |
return $lines; |
| 774 |
} |
| 775 |
|
| 776 |
function nginx_content_encoding_directives() { |
| 777 |
$lines = array(); |
| 778 |
if (get_option('hh_content_encoding') == 1) { |
| 779 |
|
| 780 |
$lines[] = 'gzip on;'; |
| 781 |
|
| 782 |
$content_encoding_value = get_option('hh_content_encoding_value'); |
| 783 |
if (!$content_encoding_value) { |
| 784 |
$content_encoding_value = array(); |
| 785 |
} |
| 786 |
|
| 787 |
$content_encoding_ext = get_option('hh_content_encoding_ext'); |
| 788 |
if (!$content_encoding_ext) { |
| 789 |
$content_encoding_ext = array(); |
| 790 |
} |
| 791 |
if (!empty($content_encoding_ext)) { |
| 792 |
//$lines[] = sprintf('<FilesMatch "\.(%s)$">', join('|', array_keys($content_encoding_ext))); |
| 793 |
} |
| 794 |
if (!empty($content_encoding_value)) { |
| 795 |
$lines[] = sprintf('gzip_types %s;', join(' ', array_keys($content_encoding_value))); |
| 796 |
} |
| 797 |
} |
| 798 |
return $lines; |
| 799 |
} |
| 800 |
|
| 801 |
function nginx_expires_directives() { |
| 802 |
$lines = array(); |
| 803 |
if (get_option('hh_expires') == 1) { |
| 804 |
|
| 805 |
$types = get_option('hh_expires_type', array()); |
| 806 |
$values = get_option('hh_expires_value', array()); |
| 807 |
|
| 808 |
$lines[] = 'map $sent_http_content_type $expires {'; |
| 809 |
foreach ($types as $type => $whatever) { |
| 810 |
list($base, $period, $suffix) = explode('_', $values[$type]); |
| 811 |
if (in_array($base, array('access', 'modification'))) { |
| 812 |
$lines[] = $type != 'default' |
| 813 |
? sprintf(' %s %u%s;', $type, $period, $suffix[0]) |
| 814 |
: sprintf(' default %u%s;', $period, $suffix[0]); |
| 815 |
} elseif ($base == 'invalid') { |
| 816 |
$lines[] = $type != 'default' |
| 817 |
? sprintf(' %s 0;', $type) |
| 818 |
: sprintf(' default 0;'); |
| 819 |
} |
| 820 |
} |
| 821 |
$lines[] = '}'; |
| 822 |
|
| 823 |
$lines[] = 'expires $expires;'; |
| 824 |
} |
| 825 |
return $lines; |
| 826 |
} |
| 827 |
|
| 828 |
function nginx_timing_directives() { |
| 829 |
$lines = array(); |
| 830 |
if (get_option('hh_timing_allow_origin') == 1) { |
| 831 |
$value = get_option('hh_timing_allow_origin_value'); |
| 832 |
switch ($value) |
| 833 |
{ |
| 834 |
case 'origin': |
| 835 |
$value = get_option('hh_timing_allow_origin_url'); |
| 836 |
break; |
| 837 |
} |
| 838 |
if (!empty($value)) |
| 839 |
{ |
| 840 |
$lines[] = 'location ~* \.(js|css|jpe?g|png|gif|eot|otf|svg|ttf|woff2?)$ {'; |
| 841 |
$lines[] = sprintf(' add_header Timing-Allow-Origin "%s";', $value); |
| 842 |
$lines[] = '}'; |
| 843 |
} |
| 844 |
} |
| 845 |
return $lines; |
| 846 |
} |
| 847 |
|
| 848 |
function nginx_auth_directives() { |
| 849 |
$lines = array(); |
| 850 |
if (get_option('hh_www_authenticate') == 1) { |
| 851 |
|
| 852 |
$type = get_option('hh_www_authenticate_type'); |
| 853 |
|
| 854 |
$file = $type == 'Basic' ? '.hh-htpasswd' : '.hh-htdigest'; |
| 855 |
|
| 856 |
$lines[] = 'location ~ ^\.hh-ht(digest|passwd)$ {'; |
| 857 |
$lines[] = ' deny all;'; |
| 858 |
$lines[] = '}'; |
| 859 |
|
| 860 |
$lines[] = sprintf('location %s {', get_home_path()); |
| 861 |
if ($type == 'Basic') { |
| 862 |
$lines[] = sprintf(' auth_basic "%s";', get_option('hh_www_authenticate_realm')); |
| 863 |
$lines[] = sprintf(' auth_basic_user_file %s%s;', get_home_path(), $file); |
| 864 |
} else { |
| 865 |
$lines[] = sprintf(' auth_digest "%s";', get_option('hh_www_authenticate_realm')); |
| 866 |
$lines[] = sprintf(' auth_digest_user_file %s%s;', get_home_path(), $file); |
| 867 |
} |
| 868 |
$lines[] = '}'; |
| 869 |
} |
| 870 |
return $lines; |
| 871 |
} |
| 872 |
|
| 873 |
function nginx_auth_credentials() { |
| 874 |
return apache_auth_credentials(); |
| 875 |
} |
| 876 |
|
| 877 |
function nginx_cookie_security_directives() { |
| 878 |
$lines = array(); |
| 879 |
|
| 880 |
//TODO |
| 881 |
|
| 882 |
return $lines; |
| 883 |
} |
| 884 |
|
| 885 |
function nginx_check_requirements() { |
| 886 |
//TODO scheduled for v2.0.0 |
| 887 |
return true; |
| 888 |
} |
| 889 |
|
| 890 |
function iis_headers_directives() { |
| 891 |
//TODO scheduled for v2.0.0 |
| 892 |
} |
| 893 |
|
| 894 |
function iis_content_encoding_directives() { |
| 895 |
//TODO scheduled for v2.0.0 |
| 896 |
} |
| 897 |
|
| 898 |
function iis_expires_directives() { |
| 899 |
//TODO scheduled for v2.0.0 |
| 900 |
} |
| 901 |
|
| 902 |
function iis_timing_directives() { |
| 903 |
//TODO scheduled for v2.0.0 |
| 904 |
} |
| 905 |
|
| 906 |
function iis_auth_directives() { |
| 907 |
//TODO scheduled for v2.0.0 |
| 908 |
} |
| 909 |
|
| 910 |
function iis_auth_credentials() { |
| 911 |
//TODO scheduled for v2.0.0 |
| 912 |
} |
| 913 |
|
| 914 |
function iis_cookie_security_directives() { |
| 915 |
//TODO scheduled for v2.0.0 |
| 916 |
} |
| 917 |
|
| 918 |
function iis_check_requirements() { |
| 919 |
//TODO scheduled for v2.0.0 |
| 920 |
return true; |
| 921 |
} |
| 922 |
|
| 923 |
function apache_headers_directives() { |
| 924 |
$lines = array(); |
| 925 |
list($headers, $statuses, $unset, $append) = get_http_headers(); |
| 926 |
|
| 927 |
foreach ($unset as $header) { |
| 928 |
$lines[] = sprintf(' Header unset %s', $header); |
| 929 |
} |
| 930 |
$all = array(); |
| 931 |
foreach ($headers as $key => $value) { |
| 932 |
if (in_array($key, array('WWW-Authenticate'))) { |
| 933 |
continue; |
| 934 |
} |
| 935 |
if (in_array($key, array('X-Content-Type-Options'))) { |
| 936 |
$all[] = sprintf(' Header always set %s %s', $key, sprintf('%1$s%2$s%1$s', strpos($value, '"') === false ? '"' : "'", $value)); |
| 937 |
continue; |
| 938 |
} |
| 939 |
if ($key == 'Strict-Transport-Security') { |
| 940 |
$lines[] = sprintf(' Header set %s %s env=HTTPS', $key, sprintf('%1$s%2$s%1$s', strpos($value, '"') === false ? '"' : "'", $value)); |
| 941 |
continue; |
| 942 |
} |
| 943 |
if ($key == 'Access-Control-Allow-Origin') { |
| 944 |
$all[] = ' <IfModule mod_setenvif.c>'; |
| 945 |
if (is_array($value)) |
| 946 |
{ |
| 947 |
$all[] = sprintf(' SetEnvIf Origin "^(%s)$" CORS=$0', str_replace('.', '\.', join('|', $value))); |
| 948 |
} else { |
| 949 |
$all[] = ' SetEnvIf Origin "^(.+)$" CORS=$0'; |
| 950 |
} |
| 951 |
$all[] = ' </IfModule>'; |
| 952 |
$all[] = ' Header set Access-Control-Allow-Origin %{CORS}e env=CORS'; |
| 953 |
continue; |
| 954 |
} |
| 955 |
if (in_array($key, array('Access-Control-Allow-Headers', 'Access-Control-Allow-Methods', 'Access-Control-Allow-Credentials', 'Access-Control-Max-Age', 'Access-Control-Expose-Headers'))) { |
| 956 |
$all[] = sprintf(' Header set %s %s env=CORS', $key, sprintf('%1$s%2$s%1$s', strpos($value, '"') === false ? '"' : "'", $value)); |
| 957 |
continue; |
| 958 |
} |
| 959 |
$lines[] = sprintf(' Header set %s %s', $key, sprintf('%1$s%2$s%1$s', strpos($value, '"') === false ? '"' : "'", $value)); |
| 960 |
} |
| 961 |
foreach ($append as $key => $value) { |
| 962 |
$lines[] = sprintf(' Header append %s %s', $key, sprintf('%1$s%2$s%1$s', strpos($value, '"') === false ? '"' : "'", $value)); |
| 963 |
} |
| 964 |
if (!empty($lines)) { |
| 965 |
$lines = array_merge( |
| 966 |
array('<IfModule mod_headers.c>'), |
| 967 |
$all, |
| 968 |
array(' <FilesMatch "\.(php|html)$">'), |
| 969 |
$lines, |
| 970 |
array(' </FilesMatch>', '</IfModule>') |
| 971 |
); |
| 972 |
} |
| 973 |
return $lines; |
| 974 |
} |
| 975 |
|
| 976 |
function apache_content_encoding_directives() { |
| 977 |
$lines = array(); |
| 978 |
if (get_option('hh_content_encoding') == 1) { |
| 979 |
|
| 980 |
$content_encoding_value = get_option('hh_content_encoding_value'); |
| 981 |
if (!$content_encoding_value) { |
| 982 |
$content_encoding_value = array(); |
| 983 |
} |
| 984 |
|
| 985 |
$content_encoding_ext = get_option('hh_content_encoding_ext'); |
| 986 |
if (!$content_encoding_ext) { |
| 987 |
$content_encoding_ext = array(); |
| 988 |
} |
| 989 |
if (!empty($content_encoding_ext)) { |
| 990 |
$lines[] = sprintf('<FilesMatch "\.(%s)$">', join('|', array_keys($content_encoding_ext))); |
| 991 |
$lines[] = ' <IfModule mod_deflate.c>'; |
| 992 |
$lines[] = ' SetOutputFilter DEFLATE'; |
| 993 |
$lines[] = ' </IfModule>'; |
| 994 |
$lines[] = '</FilesMatch>'; |
| 995 |
} |
| 996 |
if (!empty($content_encoding_value)) { |
| 997 |
if (!empty($lines)) { |
| 998 |
$lines[] = ''; |
| 999 |
} |
| 1000 |
$lines[] = '<IfModule mod_deflate.c>'; |
| 1001 |
foreach ($content_encoding_value as $item => $whatever) { |
| 1002 |
$lines[] = sprintf(' AddOutputFilterByType DEFLATE %s', $item); |
| 1003 |
} |
| 1004 |
$lines[] = '</IfModule>'; |
| 1005 |
} |
| 1006 |
} |
| 1007 |
|
| 1008 |
return $lines; |
| 1009 |
} |
| 1010 |
|
| 1011 |
function apache_expires_directives() { |
| 1012 |
$lines = array(); |
| 1013 |
if (get_option('hh_expires') == 1) { |
| 1014 |
|
| 1015 |
$types = get_option('hh_expires_type', array()); |
| 1016 |
$values = get_option('hh_expires_value', array()); |
| 1017 |
|
| 1018 |
$lines[] = '<IfModule mod_expires.c>'; |
| 1019 |
$lines[] = ' ExpiresActive On'; |
| 1020 |
foreach ($types as $type => $whatever) { |
| 1021 |
list($base, $period, $suffix) = explode('_', $values[$type]); |
| 1022 |
if (in_array($base, array('access', 'modification'))) { |
| 1023 |
$lines[] = $type != 'default' |
| 1024 |
? sprintf(' ExpiresByType %s "%s plus %u %s"', $type, $base, $period, $suffix) |
| 1025 |
: sprintf(' ExpiresDefault "%s plus %u %s"', $base, $period, $suffix); |
| 1026 |
} elseif ($base == 'invalid') { |
| 1027 |
$lines[] = $type != 'default' |
| 1028 |
? sprintf(' ExpiresByType %s A0', $type) |
| 1029 |
: sprintf(' ExpiresDefault A0'); |
| 1030 |
} |
| 1031 |
} |
| 1032 |
$lines[] = '</IfModule>'; |
| 1033 |
} |
| 1034 |
|
| 1035 |
return $lines; |
| 1036 |
} |
| 1037 |
|
| 1038 |
function apache_timing_directives() { |
| 1039 |
$lines = array(); |
| 1040 |
if (get_option('hh_timing_allow_origin') == 1) { |
| 1041 |
$value = get_option('hh_timing_allow_origin_value'); |
| 1042 |
switch ($value) |
| 1043 |
{ |
| 1044 |
case 'origin': |
| 1045 |
$value = get_option('hh_timing_allow_origin_url'); |
| 1046 |
break; |
| 1047 |
} |
| 1048 |
if (!empty($value)) |
| 1049 |
{ |
| 1050 |
$lines[] = '<IfModule mod_headers.c>'; |
| 1051 |
$lines[] = ' <FilesMatch "\\.(js|css|jpe?g|png|gif|eot|otf|svg|ttf|woff2?)$">'; |
| 1052 |
$lines[] = sprintf(' Header set Timing-Allow-Origin "%s"', $value); |
| 1053 |
$lines[] = ' </FilesMatch>'; |
| 1054 |
$lines[] = '</IfModule>'; |
| 1055 |
} |
| 1056 |
} |
| 1057 |
|
| 1058 |
return $lines; |
| 1059 |
} |
| 1060 |
|
| 1061 |
function apache_auth_directives() { |
| 1062 |
$lines = array(); |
| 1063 |
if (get_option('hh_www_authenticate') == 1) { |
| 1064 |
|
| 1065 |
$type = get_option('hh_www_authenticate_type'); |
| 1066 |
|
| 1067 |
$file = $type == 'Basic' ? '.hh-htpasswd' : '.hh-htdigest'; |
| 1068 |
|
| 1069 |
$lines[] = '<FilesMatch "^\.hh-ht(digest|passwd)$">'; |
| 1070 |
$lines[] = ' Order deny,allow'; |
| 1071 |
$lines[] = ' Deny from all'; |
| 1072 |
$lines[] = '</FilesMatch>'; |
| 1073 |
|
| 1074 |
$lines[] = sprintf('<IfModule mod_auth_%s.c>', strtolower($type)); |
| 1075 |
$lines[] = sprintf(' AuthType %s', get_option('hh_www_authenticate_type')); |
| 1076 |
$lines[] = sprintf(' AuthName "%s"', get_option('hh_www_authenticate_realm')); |
| 1077 |
$lines[] = sprintf(' AuthUserFile "%s%s"', get_home_path(), $file); |
| 1078 |
$lines[] = ' Require valid-user'; |
| 1079 |
$lines[] = '</IfModule>'; |
| 1080 |
} |
| 1081 |
|
| 1082 |
return $lines; |
| 1083 |
} |
| 1084 |
|
| 1085 |
function apache_auth_credentials() { |
| 1086 |
if (get_option('hh_www_authenticate') == 1) { |
| 1087 |
$type = get_option('hh_www_authenticate_type'); |
| 1088 |
$usernames = get_option('hh_www_authenticate_user', array()); |
| 1089 |
$passwords = get_option('hh_www_authenticate_pswd', array()); |
| 1090 |
if (!is_array($usernames)) { |
| 1091 |
$usernames = array($usernames); |
| 1092 |
} |
| 1093 |
if (!is_array($passwords)) { |
| 1094 |
$passwords = array($passwords); |
| 1095 |
} |
| 1096 |
$realm = get_option('hh_www_authenticate_realm'); |
| 1097 |
$auth = array(); |
| 1098 |
switch ($type) { |
| 1099 |
case 'Basic': |
| 1100 |
$ht_file = get_home_path().'.hh-htpasswd'; |
| 1101 |
foreach ($usernames as $k => $user) { |
| 1102 |
$auth[] = sprintf('%s:{SHA}%s', $user, base64_encode(sha1($passwords[$k], true))); |
| 1103 |
} |
| 1104 |
break; |
| 1105 |
case 'Digest': |
| 1106 |
$ht_file = get_home_path().'.hh-htdigest'; |
| 1107 |
foreach ($usernames as $k => $user) { |
| 1108 |
$auth[] = sprintf('%s:%s:%s', $user, $realm, md5($user.':'.$realm.':'.$passwords[$k])); |
| 1109 |
} |
| 1110 |
break; |
| 1111 |
} |
| 1112 |
$auth = join("\n", $auth); |
| 1113 |
|
| 1114 |
return compact('ht_file', 'auth'); |
| 1115 |
} |
| 1116 |
return false; |
| 1117 |
} |
| 1118 |
|
| 1119 |
function apache_cookie_security_directives() { |
| 1120 |
$lines = array(); |
| 1121 |
if (get_option('hh_cookie_security') == 1) { |
| 1122 |
$value = get_option('hh_cookie_security_value', array()); |
| 1123 |
if (isset($value['HttpOnly'])) { |
| 1124 |
$lines[] = 'php_flag session.cookie_httponly on'; |
| 1125 |
} |
| 1126 |
if (isset($value['Secure'])) { |
| 1127 |
$lines[] = 'php_flag session.cookie_secure on'; |
| 1128 |
} |
| 1129 |
} |
| 1130 |
|
| 1131 |
return $lines; |
| 1132 |
} |
| 1133 |
|
| 1134 |
function apache_check_requirements() { |
| 1135 |
return check_filename(get_home_path().'.htaccess'); |
| 1136 |
} |
| 1137 |
|
| 1138 |
function update_headers_directives() { |
| 1139 |
$lines = array(); |
| 1140 |
if (get_option('hh_method') == 'htaccess') { |
| 1141 |
$lines = apache_headers_directives(); |
| 1142 |
} |
| 1143 |
|
| 1144 |
return insert_with_markers(get_home_path().'.htaccess', "HttpHeaders", $lines); |
| 1145 |
} |
| 1146 |
|
| 1147 |
function update_content_encoding_directives() { |
| 1148 |
$lines = array(); |
| 1149 |
if (get_option('hh_method') == 'htaccess') { |
| 1150 |
$lines = apache_content_encoding_directives(); |
| 1151 |
} |
| 1152 |
|
| 1153 |
return insert_with_markers(get_home_path().'.htaccess', "HttpHeadersCompression", $lines); |
| 1154 |
} |
| 1155 |
|
| 1156 |
function update_expires_directives() { |
| 1157 |
$lines = array(); |
| 1158 |
if (get_option('hh_method') == 'htaccess') { |
| 1159 |
$lines = apache_expires_directives(); |
| 1160 |
} |
| 1161 |
|
| 1162 |
return insert_with_markers(get_home_path().'.htaccess', "HttpHeadersExpires", $lines); |
| 1163 |
} |
| 1164 |
|
| 1165 |
function update_timing_directives() { |
| 1166 |
$lines = array(); |
| 1167 |
if (get_option('hh_method') == 'htaccess') { |
| 1168 |
$lines = apache_timing_directives(); |
| 1169 |
} |
| 1170 |
|
| 1171 |
return insert_with_markers(get_home_path().'.htaccess', "HttpHeadersTiming", $lines); |
| 1172 |
} |
| 1173 |
|
| 1174 |
function update_auth_directives() { |
| 1175 |
$lines = array(); |
| 1176 |
if (get_option('hh_method') == 'htaccess') { |
| 1177 |
$lines = apache_auth_directives(); |
| 1178 |
} |
| 1179 |
|
| 1180 |
return insert_with_markers(get_home_path().'.htaccess', "HttpHeadersAuth", $lines); |
| 1181 |
} |
| 1182 |
|
| 1183 |
function update_auth_credentials() { |
| 1184 |
if (get_option('hh_method') == 'htaccess') { |
| 1185 |
$credentials = apache_auth_credentials(); |
| 1186 |
|
| 1187 |
return @file_put_contents($credentials['ht_file'], $credentials['auth']); |
| 1188 |
} |
| 1189 |
|
| 1190 |
return false; |
| 1191 |
} |
| 1192 |
|
| 1193 |
function update_cookie_security_directives() { |
| 1194 |
$lines = array(); |
| 1195 |
if (strpos(PHP_SAPI, 'cgi') !== false) { |
| 1196 |
$filename = get_home_path().ini_get('user_ini.filename'); |
| 1197 |
$lines = php_cookie_security_directives(); |
| 1198 |
} elseif (get_option('hh_method') == 'htaccess') { |
| 1199 |
$filename = get_home_path().'.htaccess'; |
| 1200 |
$lines = apache_cookie_security_directives(); |
| 1201 |
} |
| 1202 |
|
| 1203 |
return insert_with_markers($filename, "HttpHeadersCookieSecurity", $lines); |
| 1204 |
} |
| 1205 |
|
| 1206 |
function http_headers_text_domain() { |
| 1207 |
load_plugin_textdomain('http-headers', false, basename( dirname( __FILE__ ) ) . '/languages/'); |
| 1208 |
} |
| 1209 |
|
| 1210 |
function http_headers_settings_link( $links ) { |
| 1211 |
$url = get_admin_url() . 'options-general.php?page=http-headers'; |
| 1212 |
$settings_link = '<a href="' . $url . '">' . __('Settings', 'http-headers') . '</a>'; |
| 1213 |
array_unshift( $links, $settings_link ); |
| 1214 |
return $links; |
| 1215 |
} |
| 1216 |
|
| 1217 |
function http_headers_after_setup_theme() { |
| 1218 |
add_filter('plugin_action_links_' . plugin_basename(__FILE__), 'http_headers_settings_link'); |
| 1219 |
} |
| 1220 |
|
| 1221 |
function http_headers_enqueue($hook) { |
| 1222 |
if ( 'http-headers.php' != $hook ) { |
| 1223 |
# FIXME |
| 1224 |
//return; |
| 1225 |
} |
| 1226 |
|
| 1227 |
wp_enqueue_script('http_headers_admin_scripts', plugin_dir_url( __FILE__ ) . 'assets/scripts.js'); |
| 1228 |
wp_localize_script('http_headers_admin_scripts', 'hh', array( |
| 1229 |
'lbl_delete' => __('Delete', 'http-headers'), |
| 1230 |
'lbl_value' => __('Value', 'http-headers'), |
| 1231 |
)); |
| 1232 |
wp_enqueue_style('http_headers_admin_styles', plugin_dir_url( __FILE__ ) . 'assets/styles.css'); |
| 1233 |
} |
| 1234 |
|
| 1235 |
function http_headers_ajax_inspect() { |
| 1236 |
check_ajax_referer('inspect'); |
| 1237 |
if (current_user_can('manage_options')) { |
| 1238 |
include 'views/ajax-inspect.php'; |
| 1239 |
} |
| 1240 |
wp_die(); |
| 1241 |
} |
| 1242 |
|
| 1243 |
function http_headers_post_import() { |
| 1244 |
check_admin_referer('import'); |
| 1245 |
global $wpdb; |
| 1246 |
if (!(isset($_FILES['file']['tmp_name']) |
| 1247 |
&& is_uploaded_file($_FILES['file']['tmp_name']) |
| 1248 |
&& $_FILES['file']['error'] == UPLOAD_ERR_OK |
| 1249 |
)) { |
| 1250 |
wp_redirect(sprintf("%soptions-general.php?page=http-headers&tab=advanced&status=ERR", get_admin_url())); |
| 1251 |
exit; |
| 1252 |
} |
| 1253 |
|
| 1254 |
$string = @file_get_contents($_FILES['file']['tmp_name']); |
| 1255 |
if ($string === false) { |
| 1256 |
wp_redirect(sprintf("%soptions-general.php?page=http-headers&tab=advanced&status=ERR", get_admin_url())); |
| 1257 |
exit; |
| 1258 |
} |
| 1259 |
|
| 1260 |
$arr = preg_split('/;(\s+)?\n/', $string); |
| 1261 |
foreach ($arr as $statement) { |
| 1262 |
$wpdb->query($statement); |
| 1263 |
} |
| 1264 |
|
| 1265 |
wp_redirect(sprintf("%soptions-general.php?page=http-headers&tab=advanced&status=OK", get_admin_url())); |
| 1266 |
exit; |
| 1267 |
} |
| 1268 |
|
| 1269 |
function http_headers_post_export() { |
| 1270 |
check_admin_referer('export'); |
| 1271 |
global $wpdb; |
| 1272 |
include 'views/includes/config.inc.php'; |
| 1273 |
$statement = sprintf("SELECT * FROM %s WHERE option_name IN ('%s');", $wpdb->options, join("','", $options)); |
| 1274 |
$results = $wpdb->get_results($statement, ARRAY_A); |
| 1275 |
$sql = array(); |
| 1276 |
foreach ($results as $item) |
| 1277 |
{ |
| 1278 |
$value = str_replace("'", "''", $item['option_value']); |
| 1279 |
$query = array(); |
| 1280 |
$query[] = sprintf("INSERT INTO %s (option_id, option_name, option_value, autoload)", $wpdb->options); |
| 1281 |
$query[] = sprintf("VALUES (NULL, '%s', '%s', '%s')", $item['option_name'], $value, $item['autoload']); |
| 1282 |
$query[] = sprintf("ON DUPLICATE KEY UPDATE option_value = '%s', autoload = '%s';", $value, $item['autoload']); |
| 1283 |
$sql[] = join("\n", $query); |
| 1284 |
} |
| 1285 |
|
| 1286 |
$sql = join("\n\n", $sql); |
| 1287 |
$length = function_exists('mb_strlen') ? mb_strlen($sql) : strlen($sql); |
| 1288 |
$name = sprintf('WP-HTTP-Headers-%u.sql', time()); |
| 1289 |
|
| 1290 |
# Send headers |
| 1291 |
header('Pragma: public'); |
| 1292 |
header('Expires: 0'); |
| 1293 |
header('Cache-Control: must-revalidate, post-check=0, pre-check=0'); |
| 1294 |
header('Cache-Control: private', false); |
| 1295 |
header('Content-Transfer-Encoding: binary'); |
| 1296 |
header('Content-Disposition: attachment; filename="'.$name.'";'); |
| 1297 |
header('Content-Type: application/sql'); |
| 1298 |
header('Content-Length: ' . $length); |
| 1299 |
|
| 1300 |
echo $sql; |
| 1301 |
exit; |
| 1302 |
} |
| 1303 |
|
| 1304 |
function check_filename($filename) { |
| 1305 |
if (!is_file($filename)) { |
| 1306 |
return -1; |
| 1307 |
} |
| 1308 |
|
| 1309 |
clearstatcache(); |
| 1310 |
if (!is_writable($filename)) { |
| 1311 |
return -2; |
| 1312 |
} |
| 1313 |
|
| 1314 |
return true; |
| 1315 |
} |
| 1316 |
|
| 1317 |
function check_webserver_requirements() { |
| 1318 |
$method = get_option('hh_method'); |
| 1319 |
if ($method == 'htaccess') { |
| 1320 |
return apache_check_requirements(); |
| 1321 |
} |
| 1322 |
|
| 1323 |
return true; |
| 1324 |
} |
| 1325 |
|
| 1326 |
function check_php_requirements() { |
| 1327 |
if (strpos(PHP_SAPI, 'cgi') !== false) { |
| 1328 |
// cgi, cgi-fcgi, fpm-fcgi |
| 1329 |
return check_filename(get_home_path().ini_get('user_ini.filename')); |
| 1330 |
} |
| 1331 |
|
| 1332 |
return true; |
| 1333 |
} |
| 1334 |
|
| 1335 |
function http_headers_logout() { |
| 1336 |
if (get_option('hh_clear_site_data') == 1) { |
| 1337 |
$values = get_option('hh_clear_site_data_value', array()); |
| 1338 |
$tmp = array_keys($values); |
| 1339 |
if ($tmp) { |
| 1340 |
header(sprintf('Clear-Site-Data: "%s"', join('", "', $tmp))); |
| 1341 |
} |
| 1342 |
} |
| 1343 |
} |
| 1344 |
|
| 1345 |
add_action('wp_logout', 'http_headers_logout'); |
| 1346 |
|
| 1347 |
if ( is_admin() ){ // admin actions |
| 1348 |
add_action('admin_menu', 'http_headers_admin_add_page'); |
| 1349 |
add_action('admin_init', 'http_headers_admin'); |
| 1350 |
add_action("added_option", 'http_headers_option'); |
| 1351 |
add_action("updated_option", 'http_headers_option'); |
| 1352 |
add_action('admin_enqueue_scripts', 'http_headers_enqueue'); |
| 1353 |
add_action('after_setup_theme', 'http_headers_after_setup_theme'); |
| 1354 |
add_action('plugins_loaded', 'http_headers_text_domain'); |
| 1355 |
add_action('wp_ajax_inspect', 'http_headers_ajax_inspect'); |
| 1356 |
add_action('admin_post_import', 'http_headers_post_import'); |
| 1357 |
add_action('admin_post_export', 'http_headers_post_export'); |
| 1358 |
} else { |
| 1359 |
// non-admin enqueues, actions, and filters |
| 1360 |
add_action('send_headers', 'http_headers'); |
| 1361 |
} |
| 1362 |
|
| 1363 |
function http_headers_admin_page() { |
| 1364 |
include 'views/index.php'; |
| 1365 |
} |
