@@ -232,7 +232,7 @@ |
||
| 232 | 232 | */ |
| 233 | 233 | public function attributes(array $attributes): string { |
| 234 | 234 | foreach ($attributes as $attribute => &$data) { |
| 235 | - $data = implode(' ', (array)$data); |
|
| 235 | + $data = implode(' ', (array) $data); |
|
| 236 | 236 | $data = $attribute . '="' . $this->escape($data) . '"'; |
| 237 | 237 | } |
| 238 | 238 | |
@@ -8,93 +8,93 @@ discard block |
||
| 8 | 8 | |
| 9 | 9 | final class PHPTemplate implements \ArrayAccess { |
| 10 | 10 | |
| 11 | - /** |
|
| 12 | - * @var array Raw user-provided variables. |
|
| 13 | - */ |
|
| 14 | - private $vars; |
|
| 15 | - |
|
| 16 | - /** |
|
| 17 | - * @var string Template file path. |
|
| 18 | - */ |
|
| 19 | - private $template_file; |
|
| 20 | - |
|
| 21 | - /** |
|
| 22 | - * @var array Allowed url protocols. |
|
| 23 | - */ |
|
| 24 | - private const ALLOWED_URL_PROTOCOLS = [ |
|
| 25 | - 'http', |
|
| 26 | - 'https', |
|
| 27 | - 'ftp' |
|
| 28 | - ]; |
|
| 29 | - |
|
| 30 | - public function __construct(string $template_file = null, array $vars = []) { |
|
| 31 | - $this->template_file = $template_file; |
|
| 32 | - $this->set($vars); |
|
| 33 | - } |
|
| 34 | - |
|
| 35 | - /** |
|
| 36 | - * Set view data. This overwrites existing variables. |
|
| 37 | - * |
|
| 38 | - * @param array $vars The view data |
|
| 39 | - * @return void |
|
| 40 | - */ |
|
| 41 | - public function set(array $vars = []): void { |
|
| 42 | - $this->vars = $vars; |
|
| 43 | - } |
|
| 44 | - |
|
| 45 | - /** |
|
| 46 | - * Render template. |
|
| 47 | - * |
|
| 48 | - * @param array|null $vars The view data. If not provided, variables set in a |
|
| 11 | + /** |
|
| 12 | + * @var array Raw user-provided variables. |
|
| 13 | + */ |
|
| 14 | + private $vars; |
|
| 15 | + |
|
| 16 | + /** |
|
| 17 | + * @var string Template file path. |
|
| 18 | + */ |
|
| 19 | + private $template_file; |
|
| 20 | + |
|
| 21 | + /** |
|
| 22 | + * @var array Allowed url protocols. |
|
| 23 | + */ |
|
| 24 | + private const ALLOWED_URL_PROTOCOLS = [ |
|
| 25 | + 'http', |
|
| 26 | + 'https', |
|
| 27 | + 'ftp' |
|
| 28 | + ]; |
|
| 29 | + |
|
| 30 | + public function __construct(string $template_file = null, array $vars = []) { |
|
| 31 | + $this->template_file = $template_file; |
|
| 32 | + $this->set($vars); |
|
| 33 | + } |
|
| 34 | + |
|
| 35 | + /** |
|
| 36 | + * Set view data. This overwrites existing variables. |
|
| 37 | + * |
|
| 38 | + * @param array $vars The view data |
|
| 39 | + * @return void |
|
| 40 | + */ |
|
| 41 | + public function set(array $vars = []): void { |
|
| 42 | + $this->vars = $vars; |
|
| 43 | + } |
|
| 44 | + |
|
| 45 | + /** |
|
| 46 | + * Render template. |
|
| 47 | + * |
|
| 48 | + * @param array|null $vars The view data. If not provided, variables set in a |
|
| 49 | 49 | * provious set() call or the constructor will be used. |
| 50 | - * @return string Rendered template. |
|
| 51 | - * @throws \Throwable |
|
| 52 | - */ |
|
| 53 | - public function render(array $vars = null): string { |
|
| 54 | - if (empty($this->template_file)) { |
|
| 55 | - throw new BadMethodCallException('Calls to render() method is illegal when a template path is not set.'); |
|
| 56 | - } |
|
| 57 | - if (!file_exists($this->template_file)) { |
|
| 58 | - throw new TemplateNotFound(sprintf('Template %s could not be loaded.', $this->template_file)); |
|
| 59 | - } |
|
| 60 | - |
|
| 61 | - if (null !== $vars) { |
|
| 62 | - $this->set($vars); |
|
| 63 | - } |
|
| 64 | - |
|
| 65 | - return trim(self::renderTemplate($this->template_file, $this)); |
|
| 66 | - } |
|
| 67 | - |
|
| 68 | - /** |
|
| 69 | - * Render template. |
|
| 70 | - * |
|
| 71 | - * @param string $path The path to the template file. |
|
| 72 | - * @param PHPTemplate $v The PHPTemplate instance |
|
| 73 | - * @return string The rendered content |
|
| 74 | - * @throws \Throwable |
|
| 75 | - */ |
|
| 76 | - private static function renderTemplate(string $path, PHPTemplate $v): string { |
|
| 77 | - ob_start(); |
|
| 78 | - try { |
|
| 79 | - /** @noinspection PhpIncludeInspection */ |
|
| 80 | - include $path; |
|
| 81 | - } catch (\Throwable $exception) { |
|
| 82 | - ob_end_clean(); |
|
| 83 | - throw $exception; |
|
| 84 | - } |
|
| 85 | - |
|
| 86 | - return ob_get_clean(); |
|
| 87 | - } |
|
| 88 | - |
|
| 89 | - /** |
|
| 90 | - * Get view data by key name WITHOUT applying any sanitization filters. Use |
|
| 50 | + * @return string Rendered template. |
|
| 51 | + * @throws \Throwable |
|
| 52 | + */ |
|
| 53 | + public function render(array $vars = null): string { |
|
| 54 | + if (empty($this->template_file)) { |
|
| 55 | + throw new BadMethodCallException('Calls to render() method is illegal when a template path is not set.'); |
|
| 56 | + } |
|
| 57 | + if (!file_exists($this->template_file)) { |
|
| 58 | + throw new TemplateNotFound(sprintf('Template %s could not be loaded.', $this->template_file)); |
|
| 59 | + } |
|
| 60 | + |
|
| 61 | + if (null !== $vars) { |
|
| 62 | + $this->set($vars); |
|
| 63 | + } |
|
| 64 | + |
|
| 65 | + return trim(self::renderTemplate($this->template_file, $this)); |
|
| 66 | + } |
|
| 67 | + |
|
| 68 | + /** |
|
| 69 | + * Render template. |
|
| 70 | + * |
|
| 71 | + * @param string $path The path to the template file. |
|
| 72 | + * @param PHPTemplate $v The PHPTemplate instance |
|
| 73 | + * @return string The rendered content |
|
| 74 | + * @throws \Throwable |
|
| 75 | + */ |
|
| 76 | + private static function renderTemplate(string $path, PHPTemplate $v): string { |
|
| 77 | + ob_start(); |
|
| 78 | + try { |
|
| 79 | + /** @noinspection PhpIncludeInspection */ |
|
| 80 | + include $path; |
|
| 81 | + } catch (\Throwable $exception) { |
|
| 82 | + ob_end_clean(); |
|
| 83 | + throw $exception; |
|
| 84 | + } |
|
| 85 | + |
|
| 86 | + return ob_get_clean(); |
|
| 87 | + } |
|
| 88 | + |
|
| 89 | + /** |
|
| 90 | + * Get view data by key name WITHOUT applying any sanitization filters. Use |
|
| 91 | 91 | * array access pattern (e.g $v['var']) to benefit from automatic string |
| 92 | 92 | * sanitization functions. |
| 93 | - * |
|
| 94 | - * @param string $key The key of the user-provided to variable to fetch. |
|
| 95 | - * @return mixed|null The raw value, or null if not set. |
|
| 96 | - */ |
|
| 97 | - public function get(string $key) { |
|
| 93 | + * |
|
| 94 | + * @param string $key The key of the user-provided to variable to fetch. |
|
| 95 | + * @return mixed|null The raw value, or null if not set. |
|
| 96 | + */ |
|
| 97 | + public function get(string $key) { |
|
| 98 | 98 | return $this->vars[$key] ?? NULL; |
| 99 | 99 | } |
| 100 | 100 | |
@@ -104,12 +104,12 @@ discard block |
||
| 104 | 104 | * @param string $offset An offset to check for |
| 105 | 105 | * @return bool Returns true if the offset exists and is not null. False otherwise. |
| 106 | 106 | */ |
| 107 | - public function offsetExists($offset): bool { |
|
| 108 | - return isset($this->vars[$offset]); |
|
| 109 | - } |
|
| 107 | + public function offsetExists($offset): bool { |
|
| 108 | + return isset($this->vars[$offset]); |
|
| 109 | + } |
|
| 110 | 110 | |
| 111 | - /** |
|
| 112 | - * Retrieve an offset from the variables, with sanitization filters applied. |
|
| 111 | + /** |
|
| 112 | + * Retrieve an offset from the variables, with sanitization filters applied. |
|
| 113 | 113 | * |
| 114 | 114 | * When retrieving variables, the first character is matched against a list |
| 115 | 115 | * of sanitization techniques provided by this library. |
@@ -125,176 +125,176 @@ discard block |
||
| 125 | 125 | * |
| 126 | 126 | * If the variable has no special character prefix, it will be sanitized with |
| 127 | 127 | * HTML, as in no HTML will be intepreted by the browser. |
| 128 | - * |
|
| 129 | - * @param string $offset The offset to retrieve. |
|
| 130 | - * @return mixed Returns the value at specified offset, with the sanitization |
|
| 128 | + * |
|
| 129 | + * @param string $offset The offset to retrieve. |
|
| 130 | + * @return mixed Returns the value at specified offset, with the sanitization |
|
| 131 | 131 | * filters applied based on the way their were asked. |
| 132 | - */ |
|
| 133 | - public function offsetGet($offset) { |
|
| 134 | - $first_char = $offset{0}; |
|
| 135 | - |
|
| 136 | - switch ($first_char) { |
|
| 137 | - case ':': |
|
| 138 | - return $this->url($this->getVar(substr($offset, 1))); |
|
| 139 | - |
|
| 140 | - case '!': |
|
| 141 | - return $this->getVar(substr($offset, 1)); |
|
| 142 | - default: |
|
| 143 | - return $this->escape($this->getVar($offset)); |
|
| 144 | - } |
|
| 145 | - } |
|
| 146 | - |
|
| 147 | - /** |
|
| 148 | - * Assign a value to the specified offset. |
|
| 149 | - * |
|
| 150 | - * @param string $offset The offset to assign the value to |
|
| 151 | - * @param mixed $value The value to set |
|
| 152 | - * @return void |
|
| 153 | - */ |
|
| 154 | - public function offsetSet($offset, $value): void { |
|
| 155 | - $this->vars[$offset] = $value; |
|
| 156 | - } |
|
| 157 | - |
|
| 158 | - /** |
|
| 159 | - * Unset an offset. |
|
| 160 | - * |
|
| 161 | - * @param string $offset The offset to unset. |
|
| 162 | - * @return void |
|
| 163 | - */ |
|
| 164 | - public function offsetUnset($offset): void { |
|
| 165 | - unset($this->vars[$offset]); |
|
| 166 | - } |
|
| 167 | - |
|
| 168 | - private function getVar(string $offset): string { |
|
| 169 | - if (isset($this->vars[$offset]) && \is_scalar($this->vars[$offset]) && !\is_bool($this->vars[$offset])) { |
|
| 170 | - return $this->vars[$offset]; |
|
| 171 | - } |
|
| 172 | - return ''; |
|
| 173 | - } |
|
| 174 | - |
|
| 175 | - /** |
|
| 176 | - * Html encoding. |
|
| 177 | - * |
|
| 178 | - * Escapes the provided literal string to make sure it does not contain |
|
| 132 | + */ |
|
| 133 | + public function offsetGet($offset) { |
|
| 134 | + $first_char = $offset{0}; |
|
| 135 | + |
|
| 136 | + switch ($first_char) { |
|
| 137 | + case ':': |
|
| 138 | + return $this->url($this->getVar(substr($offset, 1))); |
|
| 139 | + |
|
| 140 | + case '!': |
|
| 141 | + return $this->getVar(substr($offset, 1)); |
|
| 142 | + default: |
|
| 143 | + return $this->escape($this->getVar($offset)); |
|
| 144 | + } |
|
| 145 | + } |
|
| 146 | + |
|
| 147 | + /** |
|
| 148 | + * Assign a value to the specified offset. |
|
| 149 | + * |
|
| 150 | + * @param string $offset The offset to assign the value to |
|
| 151 | + * @param mixed $value The value to set |
|
| 152 | + * @return void |
|
| 153 | + */ |
|
| 154 | + public function offsetSet($offset, $value): void { |
|
| 155 | + $this->vars[$offset] = $value; |
|
| 156 | + } |
|
| 157 | + |
|
| 158 | + /** |
|
| 159 | + * Unset an offset. |
|
| 160 | + * |
|
| 161 | + * @param string $offset The offset to unset. |
|
| 162 | + * @return void |
|
| 163 | + */ |
|
| 164 | + public function offsetUnset($offset): void { |
|
| 165 | + unset($this->vars[$offset]); |
|
| 166 | + } |
|
| 167 | + |
|
| 168 | + private function getVar(string $offset): string { |
|
| 169 | + if (isset($this->vars[$offset]) && \is_scalar($this->vars[$offset]) && !\is_bool($this->vars[$offset])) { |
|
| 170 | + return $this->vars[$offset]; |
|
| 171 | + } |
|
| 172 | + return ''; |
|
| 173 | + } |
|
| 174 | + |
|
| 175 | + /** |
|
| 176 | + * Html encoding. |
|
| 177 | + * |
|
| 178 | + * Escapes the provided literal string to make sure it does not contain |
|
| 179 | 179 | * anything that would be interpreted as HTML. You can also use this escape |
| 180 | 180 | * method inside HTML attributes as it would also convert single and double |
| 181 | - * quotes to HTML entities. |
|
| 182 | - * |
|
| 183 | - * @param string $input The value to encode |
|
| 184 | - * @return string The html encoded value |
|
| 185 | - */ |
|
| 186 | - public function escape(string $input): string { |
|
| 187 | - return \htmlspecialchars($input, \ENT_QUOTES | \ENT_SUBSTITUTE, 'UTF-8'); |
|
| 188 | - } |
|
| 189 | - |
|
| 190 | - /** |
|
| 191 | - * URL encoding. |
|
| 192 | - * |
|
| 193 | - * Sanitizes the provided URL making sure it only contains relative paths, |
|
| 181 | + * quotes to HTML entities. |
|
| 182 | + * |
|
| 183 | + * @param string $input The value to encode |
|
| 184 | + * @return string The html encoded value |
|
| 185 | + */ |
|
| 186 | + public function escape(string $input): string { |
|
| 187 | + return \htmlspecialchars($input, \ENT_QUOTES | \ENT_SUBSTITUTE, 'UTF-8'); |
|
| 188 | + } |
|
| 189 | + |
|
| 190 | + /** |
|
| 191 | + * URL encoding. |
|
| 192 | + * |
|
| 193 | + * Sanitizes the provided URL making sure it only contains relative paths, |
|
| 194 | 194 | * or URIs whose protocol http://, https://, or ftp://. Any other protocols |
| 195 | 195 | * such as javascript: will be removed. |
| 196 | - * |
|
| 197 | - * @param string $uri The url |
|
| 198 | - * @return string The url encoded string |
|
| 199 | - */ |
|
| 200 | - public function url(string $uri): string { |
|
| 201 | - $allowed_protocols = array_flip(static::ALLOWED_URL_PROTOCOLS); |
|
| 202 | - |
|
| 203 | - // Iteratively remove any invalid protocol found. |
|
| 204 | - // Borrowed from Drupal. |
|
| 205 | - do { |
|
| 206 | - $before = $uri; |
|
| 207 | - $colon_position = strpos($uri, ':'); |
|
| 208 | - if ($colon_position > 0) { |
|
| 209 | - |
|
| 210 | - // We found a colon, possibly a protocol. Verify. |
|
| 211 | - $protocol = substr($uri, 0, $colon_position); |
|
| 212 | - |
|
| 213 | - // If a colon is preceded by a slash, question mark or hash, it cannot |
|
| 214 | - // possibly be part of the URL scheme. This must be a relative URL, which |
|
| 215 | - // inherits the (safe) protocol of the base document. |
|
| 216 | - if (preg_match('![/?#]!', $protocol)) { |
|
| 217 | - break; |
|
| 218 | - } |
|
| 219 | - |
|
| 220 | - // Check if this is a disallowed protocol. Per RFC2616, section 3.2.3 |
|
| 221 | - // (URI Comparison) scheme comparison must be case-insensitive. |
|
| 222 | - if (!isset($allowed_protocols[strtolower($protocol)])) { |
|
| 223 | - $uri = substr($uri, $colon_position + 1); |
|
| 224 | - } |
|
| 225 | - } |
|
| 226 | - } while ($before !== $uri); |
|
| 227 | - return $this->escape($uri); |
|
| 228 | - } |
|
| 229 | - |
|
| 230 | - /** |
|
| 231 | - * Expands the provided array into HTML attributes. |
|
| 232 | - * |
|
| 233 | - * @param array $attributes The attributes |
|
| 234 | - * |
|
| 235 | - * @return string |
|
| 236 | - */ |
|
| 237 | - public function attributes(array $attributes): string { |
|
| 238 | - foreach ($attributes as $attribute => &$data) { |
|
| 239 | - $data = implode(' ', (array)$data); |
|
| 240 | - $data = $attribute . '="' . $this->escape($data) . '"'; |
|
| 241 | - } |
|
| 242 | - |
|
| 243 | - return $attributes ? ' ' . implode(' ', $attributes) : ''; |
|
| 244 | - } |
|
| 245 | - |
|
| 246 | - /** |
|
| 247 | - * This is a shortcut to throw an exception of type TemplateError that the |
|
| 196 | + * |
|
| 197 | + * @param string $uri The url |
|
| 198 | + * @return string The url encoded string |
|
| 199 | + */ |
|
| 200 | + public function url(string $uri): string { |
|
| 201 | + $allowed_protocols = array_flip(static::ALLOWED_URL_PROTOCOLS); |
|
| 202 | + |
|
| 203 | + // Iteratively remove any invalid protocol found. |
|
| 204 | + // Borrowed from Drupal. |
|
| 205 | + do { |
|
| 206 | + $before = $uri; |
|
| 207 | + $colon_position = strpos($uri, ':'); |
|
| 208 | + if ($colon_position > 0) { |
|
| 209 | + |
|
| 210 | + // We found a colon, possibly a protocol. Verify. |
|
| 211 | + $protocol = substr($uri, 0, $colon_position); |
|
| 212 | + |
|
| 213 | + // If a colon is preceded by a slash, question mark or hash, it cannot |
|
| 214 | + // possibly be part of the URL scheme. This must be a relative URL, which |
|
| 215 | + // inherits the (safe) protocol of the base document. |
|
| 216 | + if (preg_match('![/?#]!', $protocol)) { |
|
| 217 | + break; |
|
| 218 | + } |
|
| 219 | + |
|
| 220 | + // Check if this is a disallowed protocol. Per RFC2616, section 3.2.3 |
|
| 221 | + // (URI Comparison) scheme comparison must be case-insensitive. |
|
| 222 | + if (!isset($allowed_protocols[strtolower($protocol)])) { |
|
| 223 | + $uri = substr($uri, $colon_position + 1); |
|
| 224 | + } |
|
| 225 | + } |
|
| 226 | + } while ($before !== $uri); |
|
| 227 | + return $this->escape($uri); |
|
| 228 | + } |
|
| 229 | + |
|
| 230 | + /** |
|
| 231 | + * Expands the provided array into HTML attributes. |
|
| 232 | + * |
|
| 233 | + * @param array $attributes The attributes |
|
| 234 | + * |
|
| 235 | + * @return string |
|
| 236 | + */ |
|
| 237 | + public function attributes(array $attributes): string { |
|
| 238 | + foreach ($attributes as $attribute => &$data) { |
|
| 239 | + $data = implode(' ', (array)$data); |
|
| 240 | + $data = $attribute . '="' . $this->escape($data) . '"'; |
|
| 241 | + } |
|
| 242 | + |
|
| 243 | + return $attributes ? ' ' . implode(' ', $attributes) : ''; |
|
| 244 | + } |
|
| 245 | + |
|
| 246 | + /** |
|
| 247 | + * This is a shortcut to throw an exception of type TemplateError that the |
|
| 248 | 248 | * parent caller can catch. You will probably never need to use this method, |
| 249 | 249 | * but this is an easy way to throw an error if your template cannot proceed |
| 250 | 250 | * and you want to terminate and report it to the parent callers. |
| 251 | - * |
|
| 252 | - * @param string $error_message The error nessage |
|
| 253 | - * @param int $error_code The error code |
|
| 254 | - * |
|
| 255 | - * @throws TemplateError |
|
| 256 | - */ |
|
| 257 | - public function error(string $error_message, int $error_code = 0): void { |
|
| 258 | - throw new TemplateError($error_message, $error_code); |
|
| 259 | - } |
|
| 260 | - |
|
| 261 | - /** |
|
| 262 | - * Cast to string. Always returns a blank string. |
|
| 263 | - * |
|
| 264 | - * @return string Blank string |
|
| 265 | - */ |
|
| 266 | - public function __toString(): string { |
|
| 267 | - return ''; |
|
| 268 | - } |
|
| 269 | - |
|
| 270 | - /** |
|
| 271 | - * Silently discard all attempts to set object properties. |
|
| 272 | - * |
|
| 273 | - * @param mixed $name The name |
|
| 274 | - * @param mixed $value The value |
|
| 275 | - * @return void |
|
| 276 | - */ |
|
| 277 | - public function __set($name, $value): void { |
|
| 278 | - } |
|
| 279 | - |
|
| 280 | - /** |
|
| 281 | - * Silently fail all attempts to inspect any object properties. |
|
| 282 | - * |
|
| 283 | - * @param mixed $name The name |
|
| 284 | - * @return bool Status |
|
| 285 | - */ |
|
| 286 | - public function __isset($name) { |
|
| 287 | - return false; |
|
| 288 | - } |
|
| 289 | - |
|
| 290 | - /** |
|
| 291 | - * Return an empty string when attempted to fetch object properties. This is |
|
| 251 | + * |
|
| 252 | + * @param string $error_message The error nessage |
|
| 253 | + * @param int $error_code The error code |
|
| 254 | + * |
|
| 255 | + * @throws TemplateError |
|
| 256 | + */ |
|
| 257 | + public function error(string $error_message, int $error_code = 0): void { |
|
| 258 | + throw new TemplateError($error_message, $error_code); |
|
| 259 | + } |
|
| 260 | + |
|
| 261 | + /** |
|
| 262 | + * Cast to string. Always returns a blank string. |
|
| 263 | + * |
|
| 264 | + * @return string Blank string |
|
| 265 | + */ |
|
| 266 | + public function __toString(): string { |
|
| 267 | + return ''; |
|
| 268 | + } |
|
| 269 | + |
|
| 270 | + /** |
|
| 271 | + * Silently discard all attempts to set object properties. |
|
| 272 | + * |
|
| 273 | + * @param mixed $name The name |
|
| 274 | + * @param mixed $value The value |
|
| 275 | + * @return void |
|
| 276 | + */ |
|
| 277 | + public function __set($name, $value): void { |
|
| 278 | + } |
|
| 279 | + |
|
| 280 | + /** |
|
| 281 | + * Silently fail all attempts to inspect any object properties. |
|
| 282 | + * |
|
| 283 | + * @param mixed $name The name |
|
| 284 | + * @return bool Status |
|
| 285 | + */ |
|
| 286 | + public function __isset($name) { |
|
| 287 | + return false; |
|
| 288 | + } |
|
| 289 | + |
|
| 290 | + /** |
|
| 291 | + * Return an empty string when attempted to fetch object properties. This is |
|
| 292 | 292 | * to discourage bypassing the ArrayAccess pattern. |
| 293 | - * |
|
| 294 | - * @param mixed $name The name |
|
| 295 | - * @return string Blank string |
|
| 296 | - */ |
|
| 297 | - public function __get($name) { |
|
| 298 | - return ''; |
|
| 299 | - } |
|
| 293 | + * |
|
| 294 | + * @param mixed $name The name |
|
| 295 | + * @return string Blank string |
|
| 296 | + */ |
|
| 297 | + public function __get($name) { |
|
| 298 | + return ''; |
|
| 299 | + } |
|
| 300 | 300 | } |