private function generate($options)
{
$bucket = $options[OSSOptions::BUCKET];
$key = $options[OSSOptions::KEY];
$method = $options[OSSOptions::METHOD];
$expires = $options[OSSOptions::EXPIRES];
$expires = (string) $expires->getTimeStamp();
$builder = OSSRequestBuilder::factory()->setEndpoint($options[OSSOptions::ENDPOINT])->setBucket($bucket)->setKey($key)->setMethod($method)->addHeader(HttpHeaders::DATE, $expires);
if (isset($options[OSSOptions::CONTENT_TYPE])) {
$builder->addHeader(OSSHeaders::CONTENT_TYPE, $options[OSSOptions::CONTENT_TYPE]);
}
if (isset($options[OSSOptions::USER_METADATA])) {
foreach ($options[OSSOptions::USER_METADATA] as $metakey => $value) {
$builder->addHeader(OSSHeaders::OSS_USER_META_PREFIX . $metakey, $value);
}
}
// Overrides
$builder->addOverrides($options);
$request = $builder->build();
$canonicalString = SignUtils::buildCanonicalString($request, $bucket, $key);
$signature = ServiceSignature::factory()->computeSignature($options[OSSOptions::ACCESS_KEY_SECRET], $canonicalString);
$request->addParameter('OSSAccessKeyId', $options[OSSOptions::ACCESS_KEY_ID]);
$request->addParameter('Signature', $signature);
$request->addParameter('Expires', $expires);
return $request->getFullUrl();
}
public function sign(HttpRequest $request, array $credentials)
{
AssertUtils::assertSet(array(OSSOptions::ACCESS_KEY_ID, OSSOptions::ACCESS_KEY_SECRET), $credentials);
AssertUtils::assertString($credentials[OSSOptions::ACCESS_KEY_ID], OSSOptions::ACCESS_KEY_ID);
AssertUtils::assertString($credentials[OSSOptions::ACCESS_KEY_SECRET], OSSOptions::ACCESS_KEY_SECRET);
$key = $credentials[OSSOptions::ACCESS_KEY_ID];
$secret = $credentials[OSSOptions::ACCESS_KEY_SECRET];
if (strlen($key) > 0 && strlen($secret) > 0) {
$canonicalString = SignUtils::buildCanonicalString($request, $this->bucket, $this->key);
$signature = ServiceSignature::factory()->computeSignature($secret, $canonicalString);
$request->addHeader(OSSHeaders::AUTHORIZATION, 'OSS ' . $key . ':' . $signature);
} else {
if (strlen($key) > 0) {
$request->addHeader(OSSHeaders::AUTHORIZATION, $key);
}
}
}
