48 lines
1.1 KiB
PHP
48 lines
1.1 KiB
PHP
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<?php
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namespace Friendica\Module;
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use ASN_BASE;
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use Friendica\BaseModule;
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use Friendica\Model\User;
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use Friendica\Network\HTTPException\BadRequestException;
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/**
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* prints the public RSA key of a user
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*/
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class PublicRSAKey extends BaseModule
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{
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public static function rawContent()
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{
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$app = self::getApp();
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// @TODO: Replace with parameter from router
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if ($app->argc !== 2) {
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throw new BadRequestException();
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}
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// @TODO: Replace with parameter from router
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$nick = $app->argv[1];
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$user = User::getByNickname($nick, ['spubkey']);
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if (empty($user) || empty($user['spubkey'])) {
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throw new BadRequestException();
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}
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$lines = explode("\n", $user['spubkey']);
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unset($lines[0]);
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unset($lines[count($lines)]);
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$asnString = base64_decode(implode('', $lines));
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$asnBase = ASN_BASE::parseASNString($asnString);
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$m = $asnBase[0]->asnData[1]->asnData[0]->asnData[0]->asnData;
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$e = $asnBase[0]->asnData[1]->asnData[0]->asnData[1]->asnData;
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header('Content-type: application/magic-public-key');
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echo 'RSA' . '.' . $m . '.' . $e;
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exit();
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}
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}
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