| 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: 1.7.0 |
| 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 |
|
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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. |
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|
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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 Zino UI |
| 28 |
*/ |
| 29 |
|
| 30 |
if (get_option('hh_strict_transport_security_max_age') === false) { |
| 31 |
$value = get_option('hh_strict_transport_security_value'); |
| 32 |
$max_age = preg_match('/max-age=(\d+)/', $value, $match) ? $match[1] : 0; |
| 33 |
$sub_domains = strpos($value, 'includeSubDomains') !== false ? 1 : 0; |
| 34 |
add_option('hh_strict_transport_security_max_age', $max_age, null, 'yes'); |
| 35 |
add_option('hh_strict_transport_security_sub_domains', $sub_domains, null, 'yes'); |
| 36 |
add_option('hh_strict_transport_security_preload', 0, null, 'yes'); |
| 37 |
} |
| 38 |
|
| 39 |
if (get_option('hh_referrer_policy') === false) { |
| 40 |
add_option('hh_referrer_policy', 0, null, 'yes'); |
| 41 |
add_option('hh_referrer_policy_value', null, null, 'yes'); |
| 42 |
} |
| 43 |
|
| 44 |
if (get_option('hh_content_security_policy') === false) { |
| 45 |
add_option('hh_content_security_policy', 0, null, 'yes'); |
| 46 |
add_option('hh_content_security_policy_value', null, null, 'yes'); |
| 47 |
} |
| 48 |
|
| 49 |
if (get_option('hh_content_security_policy_report_only') === false) { |
| 50 |
add_option('hh_content_security_policy_report_only', 0, null, 'yes'); |
| 51 |
} |
| 52 |
|
| 53 |
if (get_option('hh_public_key_pins_report_only') === false) { |
| 54 |
add_option('hh_public_key_pins_report_only', 0, null, 'yes'); |
| 55 |
} |
| 56 |
|
| 57 |
if (get_option('hh_x_xxs_protection_uri') === false) { |
| 58 |
add_option('hh_x_xxs_protection_uri', null, null, 'yes'); |
| 59 |
} |
| 60 |
|
| 61 |
if (get_option('hh_method') === false) { |
| 62 |
add_option('hh_method', 'php', null, 'yes'); |
| 63 |
} |
| 64 |
|
| 65 |
if (get_option('hh_connection') === false) { |
| 66 |
add_option('hh_connection', 0, null, 'yes'); |
| 67 |
add_option('hh_connection_value', null, null, 'yes'); |
| 68 |
} |
| 69 |
|
| 70 |
if (get_option('hh_cache_control') === false) { |
| 71 |
add_option('hh_cache_control', 0, null, 'yes'); |
| 72 |
add_option('hh_cache_control_value', null, null, 'yes'); |
| 73 |
} |
| 74 |
|
| 75 |
if (get_option('hh_age') === false) { |
| 76 |
add_option('hh_age', 0, null, 'yes'); |
| 77 |
add_option('hh_age_value', null, null, 'yes'); |
| 78 |
} |
| 79 |
|
| 80 |
if (get_option('hh_pragma') === false) { |
| 81 |
add_option('hh_pragma', 0, null, 'yes'); |
| 82 |
add_option('hh_pragma_value', null, null, 'yes'); |
| 83 |
} |
| 84 |
|
| 85 |
if (get_option('hh_expires') === false) { |
| 86 |
add_option('hh_expires', 0, null, 'yes'); |
| 87 |
add_option('hh_expires_value', null, null, 'yes'); |
| 88 |
add_option('hh_expires_type', null, null, 'yes'); |
| 89 |
} |
| 90 |
|
| 91 |
if (get_option('hh_content_encoding') === false) { |
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add_option('hh_content_encoding', 0, null, 'yes'); |
| 93 |
add_option('hh_content_encoding_value', null, null, 'yes'); |
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add_option('hh_content_encoding_ext', null, null, 'yes'); |
| 95 |
} |
| 96 |
|
| 97 |
if (get_option('hh_vary') === false) { |
| 98 |
add_option('hh_vary', 0, null, 'yes'); |
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add_option('hh_vary_value', null, null, 'yes'); |
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} |
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|
| 102 |
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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|
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if (get_option('hh_www_authenticate') === false) { |
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add_option('hh_www_authenticate', 0, null, 'yes'); |
| 110 |
add_option('hh_www_authenticate_type', null, null, 'yes'); |
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add_option('hh_www_authenticate_realm', null, null, 'yes'); |
| 112 |
add_option('hh_www_authenticate_user', null, null, 'yes'); |
| 113 |
add_option('hh_www_authenticate_pswd', null, null, 'yes'); |
| 114 |
} |
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|
| 116 |
if (get_option('hh_cookie_security') === false) { |
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add_option('hh_cookie_security', 0, null, 'yes'); |
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add_option('hh_cookie_security_value', null, null, 'yes'); |
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} |
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|
| 121 |
if (get_option('hh_expect_ct') === false) { |
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add_option('hh_expect_ct', 0, null, 'yes'); |
| 123 |
add_option('hh_expect_ct_max_age', null, null, 'yes'); |
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add_option('hh_expect_ct_report_uri', null, null, 'yes'); |
| 125 |
add_option('hh_expect_ct_enforce', null, null, 'yes'); |
| 126 |
} |
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|
| 128 |
function get_http_headers() { |
| 129 |
$statuses = array(); |
| 130 |
$unset = array(); |
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$headers = array(); |
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$append = array(); |
| 133 |
if (get_option('hh_x_frame_options') == 1) { |
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$x_frame_options_value = strtoupper(get_option('hh_x_frame_options_value')); |
| 135 |
if ($x_frame_options_value == 'ALLOW-FROM') { |
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$x_frame_options_value .= ' ' . get_option('hh_x_frame_options_domain'); |
| 137 |
} |
| 138 |
$headers['X-Frame-Options'] = $x_frame_options_value; |
| 139 |
} |
| 140 |
if (get_option('hh_x_powered_by') == 1) { |
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if (get_option('hh_x_powered_by_option') == 'set') { |
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$headers['X-Powered-By'] = get_option('hh_x_powered_by_value'); |
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} else { |
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$unset[] = 'X-Powered-By'; |
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} |
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} |
| 147 |
if (get_option('hh_x_xxs_protection') == 1) { |
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$headers['X-XSS-Protection'] = get_option('hh_x_xxs_protection_value'); |
| 149 |
if ($headers['X-XSS-Protection'] == '1; report=') { |
| 150 |
$headers['X-XSS-Protection'] .= get_option('hh_x_xxs_protection_uri'); |
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} |
| 152 |
} |
| 153 |
if (get_option('hh_x_content_type_options') == 1) { |
| 154 |
$headers['X-Content-Type-Options'] = get_option('hh_x_content_type_options_value'); |
| 155 |
} |
| 156 |
if (get_option('hh_connection') == 1) { |
| 157 |
$headers['Connection'] = get_option('hh_connection_value'); |
| 158 |
} |
| 159 |
if (get_option('hh_pragma') == 1) { |
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$headers['Pragma'] = get_option('hh_pragma_value'); |
| 161 |
} |
| 162 |
if (get_option('hh_age') == 1) { |
| 163 |
$headers['Age'] = sprintf("%u", get_option('hh_age_value')); |
| 164 |
} |
| 165 |
if (get_option('hh_cache_control') == 1) { |
| 166 |
$hh_cache_control_value = get_option('hh_cache_control_value', array()); |
| 167 |
$tmp = array(); |
| 168 |
foreach ($hh_cache_control_value as $k => $v) { |
| 169 |
if (in_array($k, array('max-age', 's-maxage'))) { |
| 170 |
if (strlen($v) > 0) { |
| 171 |
$tmp[] = sprintf("%s=%u", $k, $v); |
| 172 |
} |
| 173 |
} else { |
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$tmp[] = $k; |
| 175 |
} |
| 176 |
} |
| 177 |
$hh_cache_control_value = join(', ', $tmp); |
| 178 |
$headers['Cache-Control'] = $hh_cache_control_value; |
| 179 |
} |
| 180 |
if (get_option('hh_strict_transport_security') == 1) { |
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$hh_strict_transport_security = array(); |
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|
| 183 |
$hh_strict_transport_security_max_age = get_option('hh_strict_transport_security_max_age'); |
| 184 |
if ($hh_strict_transport_security_max_age !== false) |
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{ |
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$hh_strict_transport_security[] = sprintf('max-age=%u', get_option('hh_strict_transport_security_max_age')); |
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if (get_option('hh_strict_transport_security_sub_domains')) |
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{ |
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$hh_strict_transport_security[] = 'includeSubDomains'; |
| 190 |
} |
| 191 |
if (get_option('hh_strict_transport_security_preload')) |
| 192 |
{ |
| 193 |
$hh_strict_transport_security[] = 'preload'; |
| 194 |
} |
| 195 |
} else { |
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$hh_strict_transport_security = array(get_option('hh_strict_transport_security_value')); |
| 197 |
} |
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$headers['Strict-Transport-Security'] = join('; ', $hh_strict_transport_security); |
| 199 |
} |
| 200 |
if (get_option('hh_x_ua_compatible') == 1) { |
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$headers['X-UA-Compatible'] = get_option('hh_x_ua_compatible_value'); |
| 202 |
} |
| 203 |
if (get_option('hh_public_key_pins') == 1) { |
| 204 |
$public_key_pins_sha256_1 = get_option('hh_public_key_pins_sha256_1'); |
| 205 |
$public_key_pins_sha256_2 = get_option('hh_public_key_pins_sha256_2'); |
| 206 |
$public_key_pins_max_age = get_option('hh_public_key_pins_max_age'); |
| 207 |
$public_key_pins_sub_domains = get_option('hh_public_key_pins_sub_domains'); |
| 208 |
$public_key_pins_report_uri = get_option('hh_public_key_pins_report_uri'); |
| 209 |
$public_key_pins_report_only = get_option('hh_public_key_pins_report_only'); |
| 210 |
if (!empty($public_key_pins_sha256_1) && !empty($public_key_pins_sha256_2) && !empty($public_key_pins_max_age)) { |
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|
| 212 |
$public_key_pins = array(); |
| 213 |
$public_key_pins[] = sprintf('pin-sha256="%s"', $public_key_pins_sha256_1); |
| 214 |
$public_key_pins[] = sprintf('pin-sha256="%s"', $public_key_pins_sha256_2); |
| 215 |
$public_key_pins[] = sprintf("max-age=%u", $public_key_pins_max_age); |
| 216 |
if ($public_key_pins_sub_domains) { |
| 217 |
$public_key_pins[] = "includeSubDomains"; |
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} |
| 219 |
if (!empty($public_key_pins_report_uri)) { |
| 220 |
$public_key_pins[] = sprintf('report-uri="%s"', $public_key_pins_report_uri); |
| 221 |
} |
| 222 |
$headers['Public-Key-Pins'.($public_key_pins_report_only ? '-Report-Only' : NULL)] = join('; ', $public_key_pins); |
| 223 |
} |
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} |
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|
| 226 |
if (get_option('hh_content_security_policy') == 1) |
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{ |
| 228 |
$csp = array(); |
| 229 |
$values = get_option('hh_content_security_policy_value'); |
| 230 |
$csp_report_only = get_option('hh_content_security_policy_report_only'); |
| 231 |
foreach ($values as $key => $val) |
| 232 |
{ |
| 233 |
if (!empty($val)) |
| 234 |
{ |
| 235 |
$csp[] = sprintf("%s %s", $key, $val); |
| 236 |
} |
| 237 |
} |
| 238 |
if (!empty($csp)) |
| 239 |
{ |
| 240 |
$headers['Content-Security-Policy'.($csp_report_only ? '-Report-Only' : NULL)] = join('; ', $csp); |
| 241 |
} |
| 242 |
} |
| 243 |
|
| 244 |
if (get_option('hh_access_control_allow_origin') == 1) |
| 245 |
{ |
| 246 |
$value = get_option('hh_access_control_allow_origin_value'); |
| 247 |
switch ($value) |
| 248 |
{ |
| 249 |
case 'HTTP_ORIGIN': |
| 250 |
$value = @$_SERVER['HTTP_ORIGIN']; |
| 251 |
break; |
| 252 |
case 'origin': |
| 253 |
$value = get_option('hh_access_control_allow_origin_url'); |
| 254 |
break; |
| 255 |
} |
| 256 |
if (!empty($value)) |
| 257 |
{ |
| 258 |
$headers['Access-Control-Allow-Origin'] = $value; |
| 259 |
} |
| 260 |
} |
| 261 |
if (get_option('hh_access_control_allow_credentials') == 1) |
| 262 |
{ |
| 263 |
$headers['Access-Control-Allow-Credentials'] = get_option('hh_access_control_allow_credentials_value'); |
| 264 |
} |
| 265 |
if (get_option('hh_access_control_max_age') == 1) |
| 266 |
{ |
| 267 |
$value = get_option('hh_access_control_max_age_value'); |
| 268 |
if (!empty($value)) |
| 269 |
{ |
| 270 |
$headers['Access-Control-Max-Age'] = intval($value); |
| 271 |
} |
| 272 |
} |
| 273 |
if (get_option('hh_access_control_allow_methods') == 1) |
| 274 |
{ |
| 275 |
$value = get_option('hh_access_control_allow_methods_value'); |
| 276 |
if (!empty($value)) |
| 277 |
{ |
| 278 |
$headers['Access-Control-Allow-Methods'] = join(', ', array_keys($value)); |
| 279 |
} |
| 280 |
} |
| 281 |
if (get_option('hh_access_control_allow_headers') == 1) |
| 282 |
{ |
| 283 |
$value = get_option('hh_access_control_allow_headers_value'); |
| 284 |
if (!empty($value)) |
| 285 |
{ |
| 286 |
$headers['Access-Control-Allow-Headers'] = join(', ', array_keys($value)); |
| 287 |
} |
| 288 |
} |
| 289 |
if (get_option('hh_access_control_expose_headers') == 1) |
| 290 |
{ |
| 291 |
$value = get_option('hh_access_control_expose_headers_value'); |
| 292 |
if (!empty($value)) |
| 293 |
{ |
| 294 |
$headers['Access-Control-Expose-Headers'] = join(', ', array_keys($value)); |
| 295 |
} |
| 296 |
} |
| 297 |
if (get_option('hh_p3p') == 1) |
| 298 |
{ |
| 299 |
$value = get_option('hh_p3p_value'); |
| 300 |
if (!empty($value)) |
| 301 |
{ |
| 302 |
$headers['P3P'] = 'CP="' . join(' ', array_keys($value)) . '"'; |
| 303 |
} |
| 304 |
} |
| 305 |
if (get_option('hh_referrer_policy') == 1) { |
| 306 |
$headers['Referrer-Policy'] = get_option('hh_referrer_policy_value'); |
| 307 |
} |
| 308 |
if (get_option('hh_www_authenticate') == 1) { |
| 309 |
|
| 310 |
switch (get_option('hh_www_authenticate_type')) { |
| 311 |
case 'Basic': |
| 312 |
if (!(isset($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']) |
| 313 |
&& $_SERVER['PHP_AUTH_USER'] == get_option('hh_www_authenticate_user') |
| 314 |
&& $_SERVER['PHP_AUTH_PW'] == get_option('hh_www_authenticate_pswd'))) { |
| 315 |
$headers['WWW-Authenticate'] = sprintf("Basic realm='%s'", get_option('hh_www_authenticate_realm')); |
| 316 |
$statuses['HTTP/1.1'] = '401 Unauthorized'; |
| 317 |
} |
| 318 |
break; |
| 319 |
case 'Digest': |
| 320 |
if (empty($_SERVER['PHP_AUTH_DIGEST'])) { |
| 321 |
$realm = get_option('hh_www_authenticate_realm'); |
| 322 |
$headers['WWW-Authenticate'] = sprintf("Digest realm='%s',qop='auth',nonce='%s',opaque='%s'", |
| 323 |
$realm, uniqid(), md5($realm)); |
| 324 |
$statuses['HTTP/1.1'] = '401 Unauthorized'; |
| 325 |
} |
| 326 |
break; |
| 327 |
} |
| 328 |
} |
| 329 |
if (get_option('hh_vary') == 1) |
| 330 |
{ |
| 331 |
$value = get_option('hh_vary_value'); |
| 332 |
if (!empty($value)) |
| 333 |
{ |
| 334 |
$append['Vary'] = join(', ', array_keys($value)); |
| 335 |
} |
| 336 |
} |
| 337 |
|
| 338 |
if (get_option('hh_expect_ct') == 1) { |
| 339 |
$expect_ct_max_age = get_option('hh_expect_ct_max_age'); |
| 340 |
$expect_ct_report_uri = get_option('hh_expect_ct_report_uri'); |
| 341 |
if (!empty($expect_ct_report_uri) && !empty($expect_ct_max_age)) { |
| 342 |
|
| 343 |
$expect_ct = array(); |
| 344 |
$expect_ct[] = sprintf("max-age=%u", $expect_ct_max_age); |
| 345 |
if (get_option('hh_expect_ct_enforce') == 1) { |
| 346 |
$expect_ct[] = "enforce"; |
| 347 |
} |
| 348 |
$expect_ct[] = sprintf('report-uri="%s"', $expect_ct_report_uri); |
| 349 |
$headers['Expect-CT'] = join(', ', $expect_ct); |
| 350 |
} |
| 351 |
} |
| 352 |
|
| 353 |
return array($headers, $statuses, $unset, $append); |
| 354 |
} |
| 355 |
|
| 356 |
function http_digest_parse($txt) { |
| 357 |
$txt = stripslashes($txt); |
| 358 |
|
| 359 |
$needed_parts = array('nonce'=>1, 'nc'=>1, 'cnonce'=>1, 'qop'=>1, 'username'=>1, 'uri'=>1, 'response'=>1); |
| 360 |
$data = array(); |
| 361 |
$keys = implode('|', array_keys($needed_parts)); |
| 362 |
|
| 363 |
preg_match_all('@(' . $keys . ')=(?:([\'"])([^\2]+?)\2|([^\s,]+))@', $txt, $matches, PREG_SET_ORDER); |
| 364 |
|
| 365 |
foreach ($matches as $m) { |
| 366 |
$data[$m[1]] = $m[3] ? $m[3] : $m[4]; |
| 367 |
unset($needed_parts[$m[1]]); |
| 368 |
} |
| 369 |
|
| 370 |
return $needed_parts ? false : $data; |
| 371 |
} |
| 372 |
|
| 373 |
function php_auth_digest() { |
| 374 |
if (!($data = http_digest_parse($_SERVER['PHP_AUTH_DIGEST'])) || get_option('hh_www_authenticate_user') != $data['username']) { |
| 375 |
die('Wrong Credentials!'); |
| 376 |
} |
| 377 |
|
| 378 |
$A1 = md5($data['username'] . ':' . get_option('hh_www_authenticate_realm') . ':' . get_option('hh_www_authenticate_pswd')); |
| 379 |
$A2 = md5($_SERVER['REQUEST_METHOD'].':'.$data['uri']); |
| 380 |
$valid_response = md5($A1.':'.$data['nonce'].':'.$data['nc'].':'.$data['cnonce'].':'.$data['qop'].':'.$A2); |
| 381 |
if ($data['response'] != $valid_response) { |
| 382 |
die('Wrong Credentials!'); |
| 383 |
} |
| 384 |
} |
| 385 |
|
| 386 |
function php_content_encoding() { |
| 387 |
if (substr_count($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip')) { |
| 388 |
ob_start('ob_gzhandler'); |
| 389 |
} else { |
| 390 |
ob_start(); |
| 391 |
} |
| 392 |
} |
| 393 |
|
| 394 |
function http_headers() { |
| 395 |
if (get_option('hh_method') !== 'php') { |
| 396 |
return; |
| 397 |
} |
| 398 |
// PHP method below |
| 399 |
list($headers, $statuses, $unset, $append) = get_http_headers(); |
| 400 |
foreach ($headers as $key => $value) { |
| 401 |
header(sprintf("%s: %s", $key, $value)); |
| 402 |
} |
| 403 |
foreach ($append as $key => $value) { |
| 404 |
header(sprintf("%s: %s", $key, $value), false); |
| 405 |
} |
| 406 |
foreach ($unset as $header) { |
| 407 |
if (function_exists('header_remove')) { |
| 408 |
header_remove($header); |
| 409 |
} else { |
| 410 |
header("$header:"); |
| 411 |
} |
| 412 |
} |
| 413 |
foreach ($statuses as $key => $value) { |
| 414 |
header(sprintf("%s %s", $key, $value)); |
| 415 |
exit; |
| 416 |
} |
| 417 |
|
| 418 |
if (get_option('hh_www_authenticate') == 1) { |
| 419 |
php_auth_digest(); |
| 420 |
} |
| 421 |
|
| 422 |
if (get_option('hh_content_encoding') == 1) { |
| 423 |
php_content_encoding(); |
| 424 |
} |
| 425 |
} |
| 426 |
|
| 427 |
function http_headers_admin_add_page() { |
| 428 |
add_options_page('HTTP Headers', 'HTTP Headers', 'manage_options', 'http-headers', 'http_headers_admin_page'); |
| 429 |
} |
| 430 |
|
| 431 |
function http_headers_admin() { |
| 432 |
register_setting('http-headers-mtd', 'hh_method'); |
| 433 |
register_setting('http-headers-xfo', 'hh_x_frame_options'); |
| 434 |
register_setting('http-headers-xfo', 'hh_x_frame_options_value'); |
| 435 |
register_setting('http-headers-xfo', 'hh_x_frame_options_domain'); |
| 436 |
register_setting('http-headers-xss', 'hh_x_xxs_protection'); |
| 437 |
register_setting('http-headers-xss', 'hh_x_xxs_protection_value'); |
| 438 |
register_setting('http-headers-xss', 'hh_x_xxs_protection_uri'); |
| 439 |
register_setting('http-headers-cto', 'hh_x_content_type_options'); |
| 440 |
register_setting('http-headers-cto', 'hh_x_content_type_options_value'); |
| 441 |
register_setting('http-headers-sts', 'hh_strict_transport_security'); |
| 442 |
register_setting('http-headers-sts', 'hh_strict_transport_security_value'); //obsolete |
| 443 |
register_setting('http-headers-sts', 'hh_strict_transport_security_max_age'); |
| 444 |
register_setting('http-headers-sts', 'hh_strict_transport_security_sub_domains'); |
| 445 |
register_setting('http-headers-sts', 'hh_strict_transport_security_preload'); |
| 446 |
register_setting('http-headers-pkp', 'hh_public_key_pins'); |
| 447 |
register_setting('http-headers-pkp', 'hh_public_key_pins_sha256_1'); |
| 448 |
register_setting('http-headers-pkp', 'hh_public_key_pins_sha256_2'); |
| 449 |
register_setting('http-headers-pkp', 'hh_public_key_pins_max_age'); |
| 450 |
register_setting('http-headers-pkp', 'hh_public_key_pins_sub_domains'); |
| 451 |
register_setting('http-headers-pkp', 'hh_public_key_pins_report_uri'); |
| 452 |
register_setting('http-headers-pkp', 'hh_public_key_pins_report_only'); |
| 453 |
register_setting('http-headers-uac', 'hh_x_ua_compatible'); |
| 454 |
register_setting('http-headers-uac', 'hh_x_ua_compatible_value'); |
| 455 |
register_setting('http-headers-p3p', 'hh_p3p'); |
| 456 |
register_setting('http-headers-p3p', 'hh_p3p_value'); |
| 457 |
register_setting('http-headers-rp', 'hh_referrer_policy'); |
| 458 |
register_setting('http-headers-rp', 'hh_referrer_policy_value'); |
| 459 |
register_setting('http-headers-csp', 'hh_content_security_policy'); |
| 460 |
register_setting('http-headers-csp', 'hh_content_security_policy_value'); |
| 461 |
register_setting('http-headers-csp', 'hh_content_security_policy_report_only'); |
| 462 |
register_setting('http-headers-acao', 'hh_access_control_allow_origin'); |
| 463 |
register_setting('http-headers-acao', 'hh_access_control_allow_origin_value'); |
| 464 |
register_setting('http-headers-acao', 'hh_access_control_allow_origin_url'); |
| 465 |
register_setting('http-headers-acac', 'hh_access_control_allow_credentials'); |
| 466 |
register_setting('http-headers-acac', 'hh_access_control_allow_credentials_value'); |
| 467 |
register_setting('http-headers-acam', 'hh_access_control_allow_methods'); |
| 468 |
register_setting('http-headers-acam', 'hh_access_control_allow_methods_value'); |
| 469 |
register_setting('http-headers-acah', 'hh_access_control_allow_headers'); |
| 470 |
register_setting('http-headers-acah', 'hh_access_control_allow_headers_value'); |
| 471 |
register_setting('http-headers-aceh', 'hh_access_control_expose_headers'); |
| 472 |
register_setting('http-headers-aceh', 'hh_access_control_expose_headers_value'); |
| 473 |
register_setting('http-headers-acma', 'hh_access_control_max_age'); |
| 474 |
register_setting('http-headers-acma', 'hh_access_control_max_age_value'); |
| 475 |
register_setting('http-headers-ce', 'hh_content_encoding'); |
| 476 |
register_setting('http-headers-ce', 'hh_content_encoding_value'); |
| 477 |
register_setting('http-headers-ce', 'hh_content_encoding_ext'); |
| 478 |
register_setting('http-headers-vary', 'hh_vary'); |
| 479 |
register_setting('http-headers-vary', 'hh_vary_value'); |
| 480 |
register_setting('http-headers-xpb', 'hh_x_powered_by'); |
| 481 |
register_setting('http-headers-xpb', 'hh_x_powered_by_option'); |
| 482 |
register_setting('http-headers-xpb', 'hh_x_powered_by_value'); |
| 483 |
register_setting('http-headers-wwa', 'hh_www_authenticate'); |
| 484 |
register_setting('http-headers-wwa', 'hh_www_authenticate_type'); |
| 485 |
register_setting('http-headers-wwa', 'hh_www_authenticate_realm'); |
| 486 |
register_setting('http-headers-wwa', 'hh_www_authenticate_user'); |
| 487 |
register_setting('http-headers-wwa', 'hh_www_authenticate_pswd'); |
| 488 |
register_setting('http-headers-cc', 'hh_cache_control'); |
| 489 |
register_setting('http-headers-cc', 'hh_cache_control_value'); |
| 490 |
register_setting('http-headers-age', 'hh_age'); |
| 491 |
register_setting('http-headers-age', 'hh_age_value'); |
| 492 |
register_setting('http-headers-pra', 'hh_pragma'); |
| 493 |
register_setting('http-headers-pra', 'hh_pragma_value'); |
| 494 |
register_setting('http-headers-exp', 'hh_expires'); |
| 495 |
register_setting('http-headers-exp', 'hh_expires_value'); |
| 496 |
register_setting('http-headers-exp', 'hh_expires_type'); |
| 497 |
register_setting('http-headers-con', 'hh_connection'); |
| 498 |
register_setting('http-headers-con', 'hh_connection_value'); |
| 499 |
register_setting('http-headers-cose', 'hh_cookie_security'); |
| 500 |
register_setting('http-headers-cose', 'hh_cookie_security_value'); |
| 501 |
register_setting('http-headers-ect', 'hh_expect_ct'); |
| 502 |
register_setting('http-headers-ect', 'hh_expect_ct_max_age'); |
| 503 |
register_setting('http-headers-ect', 'hh_expect_ct_report_uri'); |
| 504 |
register_setting('http-headers-ect', 'hh_expect_ct_enforce'); |
| 505 |
|
| 506 |
# When method is changed |
| 507 |
if (isset($_GET['settings-updated'], $_GET['tab']) && $_GET['settings-updated'] == 'true' && $_GET['tab'] == 'advanced') { |
| 508 |
update_headers_directives(); |
| 509 |
|
| 510 |
update_auth_credentials(); |
| 511 |
update_auth_directives(); |
| 512 |
|
| 513 |
update_content_encoding_directives(); |
| 514 |
|
| 515 |
update_expires_directives(); |
| 516 |
|
| 517 |
update_cookie_security_directives(); |
| 518 |
} |
| 519 |
|
| 520 |
# When particular header is changed |
| 521 |
if (isset($_GET['settings-updated'], $_GET['header']) |
| 522 |
&& $_GET['settings-updated'] == 'true' |
| 523 |
&& get_option('hh_method') == 'htaccess') { |
| 524 |
|
| 525 |
switch ($_GET['header']) { |
| 526 |
case 'www-authenticate': |
| 527 |
update_auth_credentials(); |
| 528 |
update_auth_directives(); |
| 529 |
break; |
| 530 |
case 'content-encoding': |
| 531 |
case 'vary': |
| 532 |
update_content_encoding_directives(); |
| 533 |
break; |
| 534 |
case 'expires': |
| 535 |
update_expires_directives(); |
| 536 |
break; |
| 537 |
case 'cookie-security': |
| 538 |
update_cookie_security_directives(); |
| 539 |
break; |
| 540 |
default: |
| 541 |
update_headers_directives(); |
| 542 |
} |
| 543 |
} |
| 544 |
} |
| 545 |
|
| 546 |
function update_headers_directives() { |
| 547 |
$lines = array(); |
| 548 |
if (get_option('hh_method') == 'htaccess') { |
| 549 |
list($headers, $statuses, $unset, $append) = get_http_headers(); |
| 550 |
|
| 551 |
foreach ($unset as $header) { |
| 552 |
$lines[] = sprintf(' Header unset %s', $header); |
| 553 |
} |
| 554 |
foreach ($headers as $key => $value) { |
| 555 |
if (in_array($key, array('WWW-Authenticate'))) { |
| 556 |
continue; |
| 557 |
} |
| 558 |
$lines[] = sprintf(' Header set %s %s', $key, sprintf('%1$s%2$s%1$s', strpos($value, '"') === false ? '"' : "'", $value)); |
| 559 |
} |
| 560 |
foreach ($append as $key => $value) { |
| 561 |
$lines[] = sprintf(' Header append %s %s', $key, sprintf('%1$s%2$s%1$s', strpos($value, '"') === false ? '"' : "'", $value)); |
| 562 |
} |
| 563 |
|
| 564 |
if (!empty($lines)) { |
| 565 |
array_unshift($lines, '<FilesMatch "\.(php|html)$">', ' <IfModule mod_headers.c>'); |
| 566 |
array_push($lines, ' </IfModule>', '</FilesMatch>'); |
| 567 |
} |
| 568 |
} |
| 569 |
return insert_with_markers(get_home_path().'.htaccess', "HttpHeaders", $lines); |
| 570 |
} |
| 571 |
|
| 572 |
function update_content_encoding_directives() { |
| 573 |
$lines = array(); |
| 574 |
if (get_option('hh_method') == 'htaccess' && get_option('hh_content_encoding') == 1) { |
| 575 |
|
| 576 |
$content_encoding_value = get_option('hh_content_encoding_value'); |
| 577 |
if (!$content_encoding_value) { |
| 578 |
$content_encoding_value = array(); |
| 579 |
} |
| 580 |
|
| 581 |
$content_encoding_ext = get_option('hh_content_encoding_ext'); |
| 582 |
if (!$content_encoding_ext) { |
| 583 |
$content_encoding_ext = array(); |
| 584 |
} |
| 585 |
if (!empty($content_encoding_ext)) { |
| 586 |
$lines[] = sprintf('<FilesMatch "\.(%s)$">', join('|', array_keys($content_encoding_ext))); |
| 587 |
$lines[] = ' <IfModule mod_deflate.c>'; |
| 588 |
$lines[] = ' SetOutputFilter DEFLATE'; |
| 589 |
$lines[] = ' </IfModule>'; |
| 590 |
$lines[] = '</FilesMatch>'; |
| 591 |
} |
| 592 |
if (!empty($content_encoding_value)) { |
| 593 |
if (!empty($lines)) { |
| 594 |
$lines[] = ''; |
| 595 |
} |
| 596 |
$lines[] = '<IfModule mod_deflate.c>'; |
| 597 |
foreach ($content_encoding_value as $item => $whatever) { |
| 598 |
$lines[] = sprintf(' AddOutputFilterByType DEFLATE %s', $item); |
| 599 |
} |
| 600 |
$lines[] = '</IfModule>'; |
| 601 |
} |
| 602 |
} |
| 603 |
|
| 604 |
return insert_with_markers(get_home_path().'.htaccess', "HttpHeadersCompression", $lines); |
| 605 |
} |
| 606 |
|
| 607 |
function update_expires_directives() { |
| 608 |
$lines = array(); |
| 609 |
if (get_option('hh_method') == 'htaccess' && get_option('hh_expires') == 1) { |
| 610 |
|
| 611 |
$types = get_option('hh_expires_type', array()); |
| 612 |
$values = get_option('hh_expires_value', array()); |
| 613 |
|
| 614 |
$lines[] = '<IfModule mod_expires.c>'; |
| 615 |
$lines[] = ' ExpiresActive On'; |
| 616 |
foreach ($types as $type => $whatever) { |
| 617 |
list($base, $period, $suffix) = explode('_', $values[$type]); |
| 618 |
if (in_array($base, array('access', 'modification'))) { |
| 619 |
$lines[] = $type != 'default' |
| 620 |
? sprintf(' ExpiresByType %s "%s plus %u %s"', $type, $base, $period, $suffix) |
| 621 |
: sprintf(' ExpiresDefault "%s plus %u %s"', $base, $period, $suffix); |
| 622 |
} elseif ($base == 'invalid') { |
| 623 |
$lines[] = $type != 'default' |
| 624 |
? sprintf(' ExpiresByType %s A0', $type) |
| 625 |
: sprintf(' ExpiresDefault A0'); |
| 626 |
} |
| 627 |
} |
| 628 |
$lines[] = '</IfModule>'; |
| 629 |
} |
| 630 |
return insert_with_markers(get_home_path().'.htaccess', "HttpHeadersExpires", $lines); |
| 631 |
} |
| 632 |
|
| 633 |
function update_auth_directives() { |
| 634 |
$lines = array(); |
| 635 |
if (get_option('hh_method') == 'htaccess' && get_option('hh_www_authenticate') == 1) { |
| 636 |
|
| 637 |
$type = get_option('hh_www_authenticate_type'); |
| 638 |
|
| 639 |
$file = $type == 'Basic' ? '.hh-htpasswd' : '.hh-htdigest'; |
| 640 |
|
| 641 |
$lines[] = '<FilesMatch "^\.hh-ht(digest|passwd)$">'; |
| 642 |
$lines[] = ' Order deny,allow'; |
| 643 |
$lines[] = ' Deny from all'; |
| 644 |
$lines[] = '</FilesMatch>'; |
| 645 |
|
| 646 |
$lines[] = sprintf('<IfModule mod_auth_%s.c>', strtolower($type)); |
| 647 |
$lines[] = sprintf(' AuthType %s', get_option('hh_www_authenticate_type')); |
| 648 |
$lines[] = sprintf(' AuthName "%s"', get_option('hh_www_authenticate_realm')); |
| 649 |
$lines[] = sprintf(' AuthUserFile "%s%s"', get_home_path(), $file); |
| 650 |
$lines[] = sprintf(' Require user %s', get_option('hh_www_authenticate_user')); |
| 651 |
$lines[] = '</IfModule>'; |
| 652 |
} |
| 653 |
|
| 654 |
return insert_with_markers(get_home_path().'.htaccess', "HttpHeadersAuth", $lines); |
| 655 |
} |
| 656 |
|
| 657 |
function update_cookie_security_directives() { |
| 658 |
$lines = array(); |
| 659 |
if (get_option('hh_method') == 'htaccess' && get_option('hh_cookie_security') == 1) { |
| 660 |
$value = get_option('hh_cookie_security_value', array()); |
| 661 |
if (isset($value['HttpOnly'])) { |
| 662 |
$lines[] = 'php_flag session.cookie_httponly on'; |
| 663 |
} |
| 664 |
if (isset($value['Secure'])) { |
| 665 |
$lines[] = 'php_flag session.cookie_secure on'; |
| 666 |
} |
| 667 |
} |
| 668 |
return insert_with_markers(get_home_path().'.htaccess', "HttpHeadersCookieSecurity", $lines); |
| 669 |
} |
| 670 |
|
| 671 |
function update_auth_credentials() { |
| 672 |
if (get_option('hh_method') == 'htaccess' && get_option('hh_www_authenticate') == 1) { |
| 673 |
$type = get_option('hh_www_authenticate_type'); |
| 674 |
$user = get_option('hh_www_authenticate_user'); |
| 675 |
$pswd = get_option('hh_www_authenticate_pswd'); |
| 676 |
$realm = get_option('hh_www_authenticate_realm'); |
| 677 |
|
| 678 |
switch ($type) { |
| 679 |
case 'Basic': |
| 680 |
$ht_file = get_home_path().'.hh-htpasswd'; |
| 681 |
$auth = sprintf('%s:{SHA}%s', $user, base64_encode(sha1($pswd, true))); |
| 682 |
break; |
| 683 |
case 'Digest': |
| 684 |
$ht_file = get_home_path().'.hh-htdigest'; |
| 685 |
$auth = sprintf('%s:%s:%s', $user, $realm, md5($user.':'.$realm.':'.$pswd)); |
| 686 |
break; |
| 687 |
} |
| 688 |
return @file_put_contents($ht_file, $auth); |
| 689 |
} |
| 690 |
return false; |
| 691 |
} |
| 692 |
|
| 693 |
function http_headers_settings_link( $links ) { |
| 694 |
$url = get_admin_url() . 'options-general.php?page=http-headers'; |
| 695 |
$settings_link = '<a href="' . $url . '">' . __('Settings') . '</a>'; |
| 696 |
array_unshift( $links, $settings_link ); |
| 697 |
return $links; |
| 698 |
} |
| 699 |
|
| 700 |
function http_headers_after_setup_theme() { |
| 701 |
add_filter('plugin_action_links_' . plugin_basename(__FILE__), 'http_headers_settings_link'); |
| 702 |
} |
| 703 |
|
| 704 |
function http_headers_enqueue($hook) { |
| 705 |
if ( 'http-headers.php' != $hook ) { |
| 706 |
# FIXME |
| 707 |
//return; |
| 708 |
} |
| 709 |
|
| 710 |
wp_enqueue_script('http_headers_admin_scripts', plugin_dir_url( __FILE__ ) . 'assets/scripts.js'); |
| 711 |
wp_enqueue_style('http_headers_admin_styles', plugin_dir_url( __FILE__ ) . 'assets/styles.css'); |
| 712 |
} |
| 713 |
|
| 714 |
if ( is_admin() ){ // admin actions |
| 715 |
add_action('admin_menu', 'http_headers_admin_add_page'); |
| 716 |
add_action('admin_init', 'http_headers_admin'); |
| 717 |
add_action('admin_enqueue_scripts', 'http_headers_enqueue'); |
| 718 |
add_action('after_setup_theme', 'http_headers_after_setup_theme'); |
| 719 |
} else { |
| 720 |
// non-admin enqueues, actions, and filters |
| 721 |
add_action('send_headers', 'http_headers'); |
| 722 |
} |
| 723 |
|
| 724 |
function http_headers_admin_page() { |
| 725 |
include 'views/index.php'; |
| 726 |
} |
