91 lines
2.4 KiB
PHP
91 lines
2.4 KiB
PHP
<?php
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namespace raphiz\passwordcards;
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class CardCreator
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{
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private $configration = null;
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public function __construct($configration)
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{
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if ($configration == null) {
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throw new \Exception('The given $configuration is null!');
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}
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if ($configration instanceof Configuration == false) {
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throw new \Exception(
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'The given $configuration is not a valid ' .
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'Configuration object.'
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);
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}
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$this->configration = $configration;
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}
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public function getSvgFilePath($template_name)
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{
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return __DIR__ . "/../templates/$template_name.svg";
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}
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public function getSvgTemplate($template_name)
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{
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return file_get_contents($this->getSvgFilePath($template_name));
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}
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public function render($svg)
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{
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// Get and count available characters
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$chars = $this->configration->getPatternCharacters();
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$char_count = count($chars);
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// set seed
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$seed = $this->configration->seed;
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mt_srand($seed);
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for ($i = 0; $i < strlen($this->configration->keys); $i++) {
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$prefix = '$' . ($i+1);
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$equivalent = $chars[mt_rand(0, $char_count-1)];
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$equivalent = $this->escape($equivalent);
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// Replace the equivalent on the "keyboard"
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$svg = str_replace('$' . ($i+1) . '$', $equivalent, $svg);
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$svg = str_replace('$k' . ($i+1) . '$', $this->configration->keys[$i], $svg);
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}
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$space_lenght = $this->configration->spaceBarSize;
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$space = '';
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for ($i = 0; $i < $space_lenght; $i++) {
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$space .= $this->escape($chars[mt_rand(0, $char_count-1)]);
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}
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$svg = str_replace('$SPACE$', $space, $svg);
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$svg = str_replace('$SEED$', $seed, $svg);
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$svg = str_replace('$PRIMARY$', $this->configration->primaryColor, $svg);
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$svg = str_replace('$SECONDARY$', $this->configration->secondaryColor, $svg);
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$svg = str_replace('$TEXT$', $this->escape($this->configration->text), $svg);
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$svg = str_replace('$PATTERN$', $this->escape($this->configration->pattern), $svg);
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return $svg;
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}
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private function escape($str)
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{
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return htmlentities(utf8_encode($str), ENT_XML1);
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}
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public function renderIntoTempfile($svg)
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{
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$uri = tempnam("/tmp", "php");
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file_put_contents($uri, $this->render($svg));
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return $uri;
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}
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}
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