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| 1 | <?php |
| 2 | /** |
| 3 | * Feedback class. |
| 4 | * |
| 5 | * @package automattic/jetpack-forms |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Forms\ContactForm; |
| 9 | |
| 10 | /** |
| 11 | * Class Feedback_Author |
| 12 | * |
| 13 | * Represents the author of a feedback entry, including their name, email, and URL. |
| 14 | */ |
| 15 | class Feedback_Author { |
| 16 | |
| 17 | /** |
| 18 | * Background colors for the "initials" identity avatars, drawn from the |
| 19 | * Color Studio palette's 50 shades (https://color-studio.blog/). |
| 20 | * |
| 21 | * Only the 50-level shades are safe here: the white initials clear WCAG AA |
| 22 | * against them, and the warmer ones (orange, yellow, green, celadon) sit right |
| 23 | * on the 4.5:1 line. Swapping in a lighter tint would quietly drop below AA. |
| 24 | * |
| 25 | * Keep in sync with IDENTITY_BG_COLORS in |
| 26 | * projects/js-packages/components/components/gravatar/index.tsx, which colors |
| 27 | * the same authors in the Forms dashboard. |
| 28 | * |
| 29 | * Hex values without the leading `#`, as Gravatar's `bg_color` param expects. |
| 30 | * |
| 31 | * @var string[] |
| 32 | */ |
| 33 | const IDENTITY_BG_COLORS = array( |
| 34 | '3858e9', // Blue 50. |
| 35 | '984a9c', // Purple 50. |
| 36 | 'c9356e', // Pink 50. |
| 37 | 'd63638', // Red 50. |
| 38 | 'b26200', // Orange 50. |
| 39 | '9d6e00', // Yellow 50. |
| 40 | '008a20', // Green 50. |
| 41 | '008763', // Celadon 50. |
| 42 | ); |
| 43 | |
| 44 | /** |
| 45 | * The name of the author. |
| 46 | * |
| 47 | * @var string |
| 48 | */ |
| 49 | private $name; |
| 50 | |
| 51 | /** |
| 52 | * The email of the author. |
| 53 | * |
| 54 | * @var string |
| 55 | */ |
| 56 | private $email; |
| 57 | |
| 58 | /** |
| 59 | * The url of the author. |
| 60 | * |
| 61 | * @var string |
| 62 | */ |
| 63 | private $url; |
| 64 | |
| 65 | /** |
| 66 | * The first name of the author. |
| 67 | * |
| 68 | * @var string |
| 69 | */ |
| 70 | private $first_name = ''; |
| 71 | |
| 72 | /** |
| 73 | * The last name of the author. |
| 74 | * |
| 75 | * @var string |
| 76 | */ |
| 77 | private $last_name = ''; |
| 78 | |
| 79 | /** |
| 80 | * Constructor for Feedback_Author. |
| 81 | * |
| 82 | * @param string $name The name of the author. |
| 83 | * @param string $email The email of the author. |
| 84 | * @param string $url The URL of the author. |
| 85 | * @param string $first_name The first name of the author. |
| 86 | * @param string $last_name The last name of the author. |
| 87 | */ |
| 88 | public function __construct( $name = '', $email = '', $url = '', $first_name = '', $last_name = '' ) { |
| 89 | $this->name = $name; |
| 90 | $this->email = $email; |
| 91 | $this->url = $url; |
| 92 | $this->first_name = $first_name; |
| 93 | $this->last_name = $last_name; |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Create a Feedback_Author instance from the submission data. |
| 98 | * |
| 99 | * @param array $post_data The post data from the form submission. |
| 100 | * @param Contact_Form $form The form object. |
| 101 | * @return Feedback_Author The Feedback_Author instance. |
| 102 | */ |
| 103 | public static function from_submission( $post_data, $form ) { |
| 104 | $first = isset( $post_data['first-name'] ) ? sanitize_text_field( wp_unslash( $post_data['first-name'] ) ) : ''; |
| 105 | $last = isset( $post_data['last-name'] ) ? sanitize_text_field( wp_unslash( $post_data['last-name'] ) ) : ''; |
| 106 | return new self( |
| 107 | self::get_computed_author_info( $post_data, 'name', 'pre_comment_author_name', $form ), |
| 108 | self::get_computed_author_info( $post_data, 'email', 'pre_comment_author_email', $form ), |
| 109 | self::get_computed_author_info( $post_data, 'url', 'pre_comment_author_url', $form ), |
| 110 | $first, |
| 111 | $last |
| 112 | ); |
| 113 | } |
| 114 | |
| 115 | /** |
| 116 | * Gets the computed author. |
| 117 | * |
| 118 | * @param array $post_data The post data from the form submission. |
| 119 | * @param string $type The type of author information to retrieve (e.g., 'name', 'email', 'url'). |
| 120 | * @param string $filter Optional filter to apply to the value. |
| 121 | * @param Contact_Form $form The form object. |
| 122 | * |
| 123 | * @return string Filter value for the author information. |
| 124 | */ |
| 125 | private static function get_computed_author_info( $post_data, $type, $filter, $form ) { |
| 126 | $field_ids = $form->get_field_ids(); |
| 127 | if ( isset( $field_ids[ $type ] ) ) { |
| 128 | $key = $field_ids[ $type ]; |
| 129 | $value = isset( $post_data[ $key ] ) ? sanitize_text_field( wp_unslash( $post_data[ $key ] ) ) : ''; |
| 130 | if ( is_string( $value ) ) { |
| 131 | return Contact_Form_Plugin::strip_tags( |
| 132 | stripslashes( |
| 133 | /** |
| 134 | * |
| 135 | * Listed to help search find the filters. |
| 136 | * apply_filters( ''pre_comment_author_name', $value ) |
| 137 | * apply_filters( ''pre_comment_author_email', $value ) |
| 138 | * apply_filters( ''pre_comment_author_url', $value ) |
| 139 | */ |
| 140 | apply_filters( $filter, addslashes( $value ) ) |
| 141 | ) |
| 142 | ); |
| 143 | |
| 144 | } |
| 145 | } |
| 146 | return ''; |
| 147 | } |
| 148 | |
| 149 | /** |
| 150 | * Get the display name of the author. |
| 151 | * |
| 152 | * If the name is not set, it will return the email. |
| 153 | * |
| 154 | * @return string The display name of the author. |
| 155 | */ |
| 156 | public function get_display_name(): string { |
| 157 | $name = $this->get_name(); |
| 158 | return empty( $name ) ? $this->email : $name; |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * Pick a stable background color for an email's identity avatar, so the |
| 163 | * same address always renders on the same Color Studio color. |
| 164 | * |
| 165 | * Uses the first 8 hex chars of the normalized email's SHA-256, matching |
| 166 | * `getIdentityBackgroundColor()` in the shared Gravatar component |
| 167 | * (projects/js-packages/components/components/gravatar/index.tsx). |
| 168 | * |
| 169 | * @param string $email Email address the avatar is rendered for. |
| 170 | * @return string A hex color from IDENTITY_BG_COLORS. |
| 171 | */ |
| 172 | private static function get_identity_background_color( string $email ): string { |
| 173 | $hash = hash( 'sha256', strtolower( trim( $email ) ) ); |
| 174 | $index = hexdec( substr( $hash, 0, 8 ) ) % count( self::IDENTITY_BG_COLORS ); |
| 175 | |
| 176 | return self::IDENTITY_BG_COLORS[ $index ]; |
| 177 | } |
| 178 | |
| 179 | /** |
| 180 | * Get the avatar URL of the author. |
| 181 | * |
| 182 | * Uses Gravatar's "initials" default so that users without a Gravatar |
| 183 | * get a colored circle with their initials — matching the dashboard. |
| 184 | * |
| 185 | * @see https://docs.gravatar.com/api/avatars/images/#default-image |
| 186 | * |
| 187 | * @return string The avatar URL of the author. |
| 188 | */ |
| 189 | public function get_avatar_url(): string { |
| 190 | if ( empty( $this->email ) ) { |
| 191 | return ''; |
| 192 | } |
| 193 | |
| 194 | $hash = md5( strtolower( trim( $this->email ) ) ); |
| 195 | $name = $this->get_name(); |
| 196 | |
| 197 | if ( empty( $name ) ) { |
| 198 | // Use the email prefix as a fallback for initials. |
| 199 | $name = strstr( $this->email, '@', true ); |
| 200 | } |
| 201 | |
| 202 | $bg_color = self::get_identity_background_color( $this->email ); |
| 203 | |
| 204 | return "https://gravatar.com/avatar/{$hash}?d=initials&s=96&bg_color={$bg_color}&name=" . rawurlencode( $name ); |
| 205 | } |
| 206 | |
| 207 | /** |
| 208 | * Get the name of the author. |
| 209 | * |
| 210 | * @return string The name of the author. |
| 211 | */ |
| 212 | public function get_name() { |
| 213 | if ( $this->first_name && $this->last_name ) { |
| 214 | $raw = trim( $this->first_name . ' ' . $this->last_name ); |
| 215 | return Contact_Form_Plugin::strip_tags( |
| 216 | stripslashes( |
| 217 | /** This filter is already documented in core/wp-includes/comment-functions.php */ |
| 218 | apply_filters( 'pre_comment_author_name', addslashes( $raw ) ) |
| 219 | ) |
| 220 | ); |
| 221 | } |
| 222 | // This name value is filtered upstream when class is instantiated. |
| 223 | return $this->name; |
| 224 | } |
| 225 | |
| 226 | /** |
| 227 | * Get the email of the author. |
| 228 | * |
| 229 | * @return string The email of the author. |
| 230 | */ |
| 231 | public function get_email() { |
| 232 | return $this->email; |
| 233 | } |
| 234 | |
| 235 | /** |
| 236 | * Get the URL of the author. |
| 237 | * |
| 238 | * @return string The URL of the author. |
| 239 | */ |
| 240 | public function get_url() { |
| 241 | return $this->url; |
| 242 | } |
| 243 | |
| 244 | /** |
| 245 | * Get the first name of the author (if provided separately). |
| 246 | * |
| 247 | * @return string |
| 248 | */ |
| 249 | public function get_first_name() { |
| 250 | return $this->first_name; |
| 251 | } |
| 252 | |
| 253 | /** |
| 254 | * Get the last name of the author (if provided separately). |
| 255 | * |
| 256 | * @return string |
| 257 | */ |
| 258 | public function get_last_name() { |
| 259 | return $this->last_name; |
| 260 | } |
| 261 | } |