| @@ -1,169 +1,222 @@ | ||
| 1 | -<?php | |
| 2 | - | |
| 3 | - defined('ABSPATH') or die('Jog on!'); | |
| 4 | - | |
| 5 | - /** | |
| 6 | - * Premium license? | |
| 7 | - * | |
| 8 | - * @return bool | |
| 9 | - */ | |
| 10 | - function sh_cd_license_is_premium() { | |
| 11 | - return (bool) get_option( 'sh-cd-license-valid', false ); | |
| 12 | - } | |
| 13 | - | |
| 14 | - /** | |
| 15 | - * Return a link to the upgrade page | |
| 16 | - * | |
| 17 | - * @return string | |
| 18 | - */ | |
| 19 | - function sh_cd_license_upgrade_link() { | |
| 20 | - | |
| 21 | - $link = admin_url('admin.php?page=sh-cd-shortcode-variables-license'); | |
| 22 | - | |
| 23 | - return esc_url( $link ); | |
| 24 | - } | |
| 25 | - | |
| 26 | - /** | |
| 27 | - * Check an existing license's hash is still valid | |
| 28 | - **/ | |
| 29 | - function sh_cd_license_validate( $license ) { | |
| 30 | - | |
| 31 | - if ( true === empty( $license ) ) { | |
| 32 | - return __( 'License missing', SH_CD_SLUG ); | |
| 33 | - } | |
| 34 | - | |
| 35 | - // Decode license | |
| 36 | - $license = sh_cd_license_decode( $license ); | |
| 37 | - | |
| 38 | - if ( true === empty( $license ) ) { | |
| 39 | - return 'Could not decode / verify license'; | |
| 40 | - } | |
| 41 | - | |
| 42 | - // Does site hash in license meet this site's actual hash? | |
| 43 | - if ( true === empty( $license['site-hash'] ) ) { | |
| 44 | - return 'Invalid license hash'; | |
| 45 | - } | |
| 46 | - | |
| 47 | - // Match this site hash? | |
| 48 | - if ( sh_cd_generate_site_hash() !== $license['site-hash']) { | |
| 49 | - return 'This license doesn\'t appear to be for this site (no match on site hash).'; | |
| 50 | - } | |
| 51 | - | |
| 52 | - // Valid date? | |
| 53 | - $today_time = strtotime( date( 'Y-m-d' ) ); | |
| 54 | - $expire_time = strtotime( $license['expiry-date'] ); | |
| 55 | - | |
| 56 | - if ( $expire_time < $today_time ) { | |
| 57 | - return 'This license has expired.'; | |
| 58 | - } | |
| 59 | - | |
| 60 | - return true; | |
| 61 | - } | |
| 62 | - | |
| 63 | - /** | |
| 64 | - * Validate and decode a license | |
| 65 | - **/ | |
| 66 | - function sh_cd_license_decode( $license ) { | |
| 67 | - | |
| 68 | - if( true === empty( $license ) ) { | |
| 69 | - return NULL; | |
| 70 | - } | |
| 71 | - | |
| 72 | - // Base64 and JSON decode | |
| 73 | - $license = base64_decode( $license ); | |
| 74 | - | |
| 75 | - if( false === $license ) { | |
| 76 | - return NULL; | |
| 77 | - } | |
| 78 | - | |
| 79 | - $license = json_decode( $license, true ); | |
| 80 | - | |
| 81 | - if( true === empty( $license ) ) { | |
| 82 | - return NULL; | |
| 83 | - } | |
| 84 | - //Todo: Set type to 'sh-cd-pro' | |
| 85 | - // Validate hash! | |
| 86 | - $verify_hash = md5( 'yeken.uk' . $license['type'] . $license['expiry-days'] . $license['site-hash'] . $license['expiry-date'] ); | |
| 87 | - | |
| 88 | - return ( $license['hash'] == $verify_hash && false === empty( $license ) ) ? $license : NULL; | |
| 89 | - } | |
| 90 | - | |
| 91 | - | |
| 92 | - /** | |
| 93 | - * Validate and apply a license | |
| 94 | - **/ | |
| 95 | - function sh_cd_license_apply( $license ) { | |
| 96 | - | |
| 97 | - // Validate license | |
| 98 | - $license_result = sh_cd_license_validate($license); | |
| 99 | - | |
| 100 | - if( true === $license_result ) { | |
| 101 | - | |
| 102 | - update_option( 'sh-cd-license', $license ); | |
| 103 | - update_option( 'sh-cd-license-valid', true ); | |
| 104 | - | |
| 105 | - return true; | |
| 106 | - } | |
| 107 | - | |
| 108 | - return false; | |
| 109 | - } | |
| 110 | - | |
| 111 | - /** | |
| 112 | - * Remove a license | |
| 113 | - **/ | |
| 114 | - function sh_cd_license_remove() { | |
| 115 | - | |
| 116 | - delete_option( 'sh-cd-license' ); | |
| 117 | - delete_option( 'sh-cd-license-valid' ); | |
| 118 | - } | |
| 119 | - | |
| 120 | - /** | |
| 121 | - * Generate a site hash to identify this site. | |
| 122 | - **/ | |
| 123 | - function sh_cd_generate_site_hash() { | |
| 124 | - | |
| 125 | - $site_hash = get_option( 'sh-cd-hash' ); | |
| 126 | - | |
| 127 | - // Generate a basic site key from URL and plugin slug | |
| 128 | - if( false == $site_hash ) { | |
| 129 | - | |
| 130 | - $site_hash = md5( 'yeken-sh-cd-' . site_url() ); | |
| 131 | - $site_hash = substr( $site_hash, 0, 6 ); | |
| 132 | - | |
| 133 | - update_option( 'sh-cd-hash', $site_hash ); | |
| 134 | - | |
| 135 | - } | |
| 136 | - return $site_hash; | |
| 137 | - } | |
| 138 | - | |
| 139 | - /** | |
| 140 | - * Fetch license | |
| 141 | - * | |
| 142 | - * @return mixed | |
| 143 | - */ | |
| 144 | - function sh_cd_license() { | |
| 145 | - return get_option( 'sh-cd-license', '' ); | |
| 146 | - } | |
| 147 | - | |
| 148 | - | |
| 149 | -// function t() { | |
| 150 | -// | |
| 151 | -// if ( true === is_admin() ) { | |
| 152 | -// return; | |
| 153 | -// } | |
| 154 | -// | |
| 155 | -// | |
| 156 | -// $t = sh_cd_generate_site_hash(); | |
| 157 | -// | |
| 158 | -// var_dump( $t ); | |
| 159 | -// | |
| 160 | -// $t = sh_cd_license_apply('eyJ0eXBlIjoicHJvIiwiZXhwaXJ5LWRheXMiOjM2Niwic2l0ZS1oYXNoIjoiNjhiYjJiIiwiZXhwaXJ5LWRhdGUiOiIyMDIwLTAyLTE5IiwiaGFzaCI6Ijc0NTdhNjg3NjZlYzI3NjZjMmRmOWVjZTk4YjlkNTA5In0'); | |
| 161 | -// | |
| 162 | -// $t = sh_cd_license_is_premium(); | |
| 163 | -// | |
| 164 | -// var_dump( $t ); | |
| 165 | -// | |
| 166 | -// die; | |
| 167 | -// | |
| 168 | -// } | |
| 169 | -// add_action('init', 't'); | |
| 1 | +<?php | |
| 2 | + | |
| 3 | + defined('ABSPATH') or die('Jog on!'); | |
| 4 | + | |
| 5 | + /** | |
| 6 | + * Premium license? | |
| 7 | + * | |
| 8 | + * @return bool | |
| 9 | + */ | |
| 10 | + function sh_cd_license_is_premium() { | |
| 11 | + return (bool) get_option( 'sh-cd-license-valid', false ); | |
| 12 | + } | |
| 13 | + | |
| 14 | + /** | |
| 15 | + * Return a link to the upgrade page | |
| 16 | + * | |
| 17 | + * @return string | |
| 18 | + */ | |
| 19 | + function sh_cd_license_upgrade_link() { | |
| 20 | + | |
| 21 | + $link = admin_url('admin.php?page=sh-cd-shortcode-variables-license'); | |
| 22 | + | |
| 23 | + return esc_url( $link ); | |
| 24 | + } | |
| 25 | + | |
| 26 | + /** | |
| 27 | + * Check an existing license's hash is still valid | |
| 28 | + **/ | |
| 29 | + function sh_cd_license_validate( $license ) { | |
| 30 | + | |
| 31 | + if ( true === empty( $license ) ) { | |
| 32 | + return __( 'License missing', SH_CD_SLUG ); | |
| 33 | + } | |
| 34 | + | |
| 35 | + // Decode license | |
| 36 | + $license = sh_cd_license_decode( $license ); | |
| 37 | + | |
| 38 | + if ( true === empty( $license ) ) { | |
| 39 | + return __( 'Could not decode / verify license', SH_CD_SLUG ); | |
| 40 | + } | |
| 41 | + | |
| 42 | + // Does site hash in license meet this site's actual hash? | |
| 43 | + if ( true === empty( $license['site-hash'] ) ) { | |
| 44 | + return __( 'Invalid license hash', SH_CD_SLUG ); | |
| 45 | + } | |
| 46 | + | |
| 47 | + // Match this site hash? | |
| 48 | + if ( sh_cd_generate_site_hash() !== $license['site-hash']) { | |
| 49 | + return __( 'This license doesn\'t appear to be for this site (no match on site hash).', SH_CD_SLUG ); | |
| 50 | + } | |
| 51 | + | |
| 52 | + // Valid date? | |
| 53 | + $today_time = strtotime( date( 'Y-m-d' ) ); | |
| 54 | + $expire_time = strtotime( $license['expiry-date'] ); | |
| 55 | + | |
| 56 | + if ( $expire_time < $today_time ) { | |
| 57 | + return __( 'This license has expired.', SH_CD_SLUG ); | |
| 58 | + } | |
| 59 | + | |
| 60 | + return true; | |
| 61 | + } | |
| 62 | + | |
| 63 | + /** | |
| 64 | + * Validate and decode a license | |
| 65 | + **/ | |
| 66 | + function sh_cd_license_decode( $license ) { | |
| 67 | + | |
| 68 | + if( true === empty( $license ) ) { | |
| 69 | + return NULL; | |
| 70 | + } | |
| 71 | + | |
| 72 | + // Base64 and JSON decode | |
| 73 | + $license = base64_decode( $license ); | |
| 74 | + | |
| 75 | + if( false === $license ) { | |
| 76 | + return NULL; | |
| 77 | + } | |
| 78 | + | |
| 79 | + $license = json_decode( $license, true ); | |
| 80 | + | |
| 81 | + if( true === empty( $license ) ) { | |
| 82 | + return NULL; | |
| 83 | + } | |
| 84 | + | |
| 85 | + // Validate hash! | |
| 86 | + $verify_hash = md5( 'yeken.uk' . $license['type'] . $license['expiry-days'] . $license['site-hash'] . $license['expiry-date'] ); | |
| 87 | + | |
| 88 | + return ( $license['hash'] == $verify_hash && false === empty( $license ) ) ? $license : NULL; | |
| 89 | + } | |
| 90 | + | |
| 91 | + | |
| 92 | + /** | |
| 93 | + * Validate and apply a license | |
| 94 | + **/ | |
| 95 | + function sh_cd_license_apply( $license ) { | |
| 96 | + | |
| 97 | + // Validate license | |
| 98 | + $license_result = sh_cd_license_validate($license); | |
| 99 | + | |
| 100 | + if( true === $license_result ) { | |
| 101 | + | |
| 102 | + update_option( 'sh-cd-license', $license ); | |
| 103 | + update_option( 'sh-cd-license-valid', true ); | |
| 104 | + | |
| 105 | + return true; | |
| 106 | + } | |
| 107 | + | |
| 108 | + return false; | |
| 109 | + } | |
| 110 | + | |
| 111 | + /** | |
| 112 | + * Remove a license | |
| 113 | + **/ | |
| 114 | + function sh_cd_license_remove() { | |
| 115 | + | |
| 116 | + delete_option( 'sh-cd-license' ); | |
| 117 | + delete_option( 'sh-cd-license-valid' ); | |
| 118 | + } | |
| 119 | + | |
| 120 | + /** | |
| 121 | + * Generate a site hash to identify this site. | |
| 122 | + **/ | |
| 123 | + function sh_cd_generate_site_hash() { | |
| 124 | + | |
| 125 | + $site_hash = get_option( 'sh-cd-hash' ); | |
| 126 | + | |
| 127 | + // Generate a basic site key from URL and plugin slug | |
| 128 | + if( false == $site_hash ) { | |
| 129 | + | |
| 130 | + $site_hash = md5( 'yeken-sh-cd-' . site_url() ); | |
| 131 | + $site_hash = substr( $site_hash, 0, 6 ); | |
| 132 | + | |
| 133 | + update_option( 'sh-cd-hash', $site_hash ); | |
| 134 | + | |
| 135 | + } | |
| 136 | + return $site_hash; | |
| 137 | + } | |
| 138 | + | |
| 139 | + /** | |
| 140 | + * Fetch license | |
| 141 | + * | |
| 142 | + * @return mixed | |
| 143 | + */ | |
| 144 | + function sh_cd_license() { | |
| 145 | + return get_option( 'sh-cd-license', '' ); | |
| 146 | + } | |
| 147 | + | |
| 148 | + /** | |
| 149 | + * Fetch license price | |
| 150 | + * | |
| 151 | + * @return float|null | |
| 152 | + */ | |
| 153 | + function sh_cd_license_price() { | |
| 154 | + | |
| 155 | + $price = yeken_license_price( 'sv-premium' ); | |
| 156 | + | |
| 157 | + return ( false === empty( $price ) ) ? $price : SH_CD_PREMIUM_PRICE; | |
| 158 | + } | |
| 159 | + | |
| 160 | + if ( false === function_exists( 'yeken_license_api_fetch_licenses' ) ) { | |
| 161 | + | |
| 162 | + /** | |
| 163 | + * Call out to YeKen API for license prices | |
| 164 | + */ | |
| 165 | + function yeken_license_api_fetch_licenses() { | |
| 166 | + | |
| 167 | + if ( $cache = get_transient( 'yeken_api_prices' ) ) { | |
| 168 | + return $cache; | |
| 169 | + } | |
| 170 | + | |
| 171 | + $response = wp_remote_get( 'https://shop.yeken.uk/wp-json/yeken/v1/license-prices/' ); | |
| 172 | + | |
| 173 | + // All ok? | |
| 174 | + if ( 200 === wp_remote_retrieve_response_code( $response ) ) { | |
| 175 | + | |
| 176 | + $body = wp_remote_retrieve_body( $response ); | |
| 177 | + | |
| 178 | + if ( false === empty( $body ) ) { | |
| 179 | + | |
| 180 | + $body = json_decode( $body, true ); | |
| 181 | + set_transient( 'yeken_api_prices', $body, 216000 ); // Cache for 6 hours | |
| 182 | + | |
| 183 | + return $body; | |
| 184 | + } | |
| 185 | + } | |
| 186 | + | |
| 187 | + return NULL; | |
| 188 | + } | |
| 189 | + | |
| 190 | + /** | |
| 191 | + * Fetch a certain product price | |
| 192 | + * @param $sku | |
| 193 | + * @param string $type | |
| 194 | + */ | |
| 195 | + function yeken_license_price( $sku, $type = 'yearly' ) { | |
| 196 | + | |
| 197 | + $licenses = yeken_license_api_fetch_licenses(); | |
| 198 | + | |
| 199 | + return ( false === empty( $licenses[ $sku ][ $type ] ) ) ? $licenses[ $sku ][ $type ] : NULL; | |
| 200 | + } | |
| 201 | + | |
| 202 | + /** | |
| 203 | + * Render out license prices | |
| 204 | + * | |
| 205 | + * @param $args | |
| 206 | + * @return mixed|string | |
| 207 | + */ | |
| 208 | + function yeken_license_shortcode( $args ) { | |
| 209 | + | |
| 210 | + $args = wp_parse_args( $args, [ 'sku' => 'sv-premium', 'type' => 'yearly', 'prefix' => '£' ] ); | |
| 211 | + | |
| 212 | + $price = yeken_license_price( $args[ 'sku' ], $args[ 'type' ] ); | |
| 213 | + | |
| 214 | + if ( false === empty( $price ) ) { | |
| 215 | + return sprintf( '%s%d', esc_html( $args[ 'prefix' ] ), $price ); | |
| 216 | + } | |
| 217 | + | |
| 218 | + return ''; | |
| 219 | + } | |
| 220 | + add_shortcode( 'yeken-license-price', 'yeken_license_shortcode' ); | |
| 221 | + | |
| 222 | + } | |
