143 lines
3.8 KiB
PHP
143 lines
3.8 KiB
PHP
<?php
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function fetchAccessToken($oauth_url, $client_id, $client_secret, $scopes = ["oaid:codes:read"]) {
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//echo "called fetchAccessToken $oauth_url\n";
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global $token_file;
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global $access_token;
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$headers = [
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"Accept: application/json",
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"Content-Type: application/x-www-form-urlencoded",
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];
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$post_content = [
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"grant_type" => "client_credentials",
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"client_id" => $client_id,
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"client_secret" => $client_secret,
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"scope" => implode(" ", $scopes),
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];
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$output = postRestUrl($oauth_url, $headers, $post_content);
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$output_values = json_decode($output);
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if(!is_object($output_values) || !property_exists($output_values, "access_token")) {
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return false;
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}
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$access_token = $output_values->access_token;
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file_put_contents($token_file, $access_token);
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return $access_token;
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}
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function getRestUrl($url, $headers, $params = [], $debug = false) {
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//echo "called getRestUrl $url\n";
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$ctx_options = ["http" => [
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"ignore_errors" => true,
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"method" => "GET",
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"header" => $headers,
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]];
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$_url = $url;
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if(count($params)) {
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$_url .= "?".http_build_query($params);
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}
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if($debug) {
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var_dump($_url, $ctx_options);
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exit;
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}
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$ctx = stream_context_create($ctx_options);
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$output = file_get_contents($_url, false, $ctx);
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foreach($http_response_header as $h_line) {
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$m = [];
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if(preg_match('/HTTP\/\d+(?:\.\d+) ([245]\d+)/', $h_line, $m)) {
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$response_code = $m[1];
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if(substr($response_code, 0, 1) == "2") {
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return $output;
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} elseif($response_code == "401") {
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return "__err__401";
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} else {
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die("getRestUrl(): $h_line");
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}
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}
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}
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}
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function putRestUrl($url, $headers, $content, $content_type = "application/x-www-form-urlencoded", $follow_location = true, $debug = false) {
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return postRestUrl($url, $headers, $content, $content_type, $follow_location, $debug, 'PUT');
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}
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function postRestUrl($url, $headers, $content, $content_type = "application/x-www-form-urlencoded", $follow_location = true, $debug = false, $method = "POST") {
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//echo "called postResturl $url\n";
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$ctx_options = ["http" => [
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"ignore_errors" => true,
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"method" => "POST",
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"header" => $headers,
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]];
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if(!$follow_location) {
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$ctx_options["http"]["follow_location"] = false;
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}
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if($method == "PUT") {
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$ctx_options["http"]["method"] = "PUT";
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}
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if($content_type == "application/x-www-form-urlencoded") {
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$ctx_options["http"]["content"] = http_build_query($content);
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}
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if($content_type == "application/json") {
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$ctx_options["http"]["content"] = json_encode($content);
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}
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if($debug) {
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var_dump($url, $ctx_options);
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exit;
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}
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$ctx = stream_context_create($ctx_options);
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$output = file_get_contents($url, false, $ctx);
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//var_dump($http_response_header);
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if(!$follow_location) {
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return $output;
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}
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foreach($http_response_header as $h_line) {
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$m = [];
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$status_code_types = "245";
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if(!$follow_location) {
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$status_code_types = "2345";
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}
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if(preg_match('/HTTP\/\d+(?:\.\d+) ([245]\d+)/', $h_line, $m)) {
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$response_code = $m[1];
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if(substr($response_code, 0, 1) == "2") {
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return $output;
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} elseif(substr($response_code, 0, 1) == "3") {
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return $output;
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} elseif($response_code == "401") {
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return "__err__401";
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} else {
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die("postRestUrl(): $h_line\n");
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}
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}
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}
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}
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function guidv4($data = null) {
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// Generate 16 bytes (128 bits) of random data or use the data passed into the function.
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$data = $data ?? random_bytes(16);
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assert(strlen($data) == 16);
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// Set version to 0100
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$data[6] = chr(ord($data[6]) & 0x0f | 0x40);
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// Set bits 6-7 to 10
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$data[8] = chr(ord($data[8]) & 0x3f | 0x80);
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// Output the 36 character UUID.
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return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
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}
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