PHP Classes

HTTP Middleware: Send multiple HTTP requests to remote servers

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http-middleware 1.0Free for non-comm...7HTTP, Web services, PHP 7
Description 

Author

This package can send multiple HTTP requests to remote servers.

It uses the PECL HTTP extension to create a pool of HTTP requests that can be sent in parallel to remote HTTP servers.

The responses are returned in XML or JSON format.

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July 2017
Number 5
Each script of a Web application may require accessing the services of one or more services provided by one or more scripts running on the same or other services.

When it is necessary to execute multiple independent scripts, these can be ran faster if they are executed in parallel.

This package provides a solution that can multiple remote scripts by using the PECL HTTP extension to send the requests and collect the responses.

Manuel Lemos
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Name: Mostafa Abd-El-Hamid <contact>
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Age: 40
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Example

<?php

   
namespace REQUEST_EXAMPLE;
   
    use
PECL_MIDDLEWARE_RRQUESTS;
   
    class
ExampleX{
   
        public static function
__init(array $arr, array $postFile, array $putFile, array $postFields,
                array
$options, array $headers, array $put_data, array $query_data,
                array
$body, array $content_type, array $method,
                array
$raw_post_data, array $ssl_options, $clear_history = false) : string{
   
            return (string)\
PECL_MIDDLEWARE_RRQUESTS\RequestsPoolX::__init(
                array
$arr, array $postFile, array $putFile, array $postFields,
                array
$options, array $headers, array $put_data, array $query_data,
                array
$body, array $content_type, array $method,
                array
$raw_post_data, array $ssl_options, $clear_history = false
           
);
           
        }
    }
   
   
   
   
//arr
   
   
$arr = ['url1' => 'http://example.com/url1', 'url2' => 'http://example.com/url2'];
   
   
   
   
//postFile
   
   
$postFile = [];
   
$path_post_file = [
       
0 => 'path/To/image_post_file.png',
       
1 => 'path/To/image2_post_file.png',
       
2 => 'path/To/image3_post_file.png',
    ];
    for(
$i = 0; $i < sizeof($path_post_file); $i++){
       
$type_post_file = pathinfo($path_post_file[$i], PATHINFO_EXTENSION);
       
$data_post_file = file_get_contents($path_post_file[$i]);
       
$base64_encoded_image = 'data:image/' . $type_post_file . ';base64,' . base64_encode($data_post_file);
       
array_push($postFile, $base64_encoded_image);
    }
   
   
   
   
//putFile
   
   
$putFile = [];
   
$path_put_file = [
       
0 => 'path/To/image_put_file.png',
       
1 => 'path/To/image2_put_file.png',
       
2 => 'path/To/image3_put_file.png',
    ];
   
    for(
$i = 0; $i < sizeof($path_put_file); $i++){
       
$type_put_file = pathinfo($path_put_file[$i], PATHINFO_EXTENSION);
       
$data_put_file = file_get_contents($path_put_file[$i]);
       
$base64_encoded_image = 'data:image/' . $type_put_file . ';base64,' . base64_encode($data_put_file);
       
array_push($putFile, $base64_encoded_image);
    }
   
   
   
   
//postFields
   
   
$postFields = [
       
'post_key' => 'post_value',
       
'post_key2' => 'post_value2',
       
'post_key3' => 'post_value3',
    ];
   
   
   
   
//options
   
   
$options = [
       
'option1' => 'value1',
       
'option2' => 'value2',
    ];
   
   
   
   
//headers
   
   
$headers = [
       
'header1' => 'Content-Type: application/xml+rdf',
       
'header2' => 'Content-Type: application/json',
       
'header3' => 'Location: www.example.com',
       
'header4' => 'Authorization: Basic token_no',
       
'header5' => 'Access-Control-Allow-Origin: *',
    ];
   
   
   
   
//put_data
   
   
$put_data = [
       
'key1' => 'value1',
       
'key2' => 'value2',
       
'key3' => 'value3',
    ];
   
   
   
   
//query_data
   
   
$query_data = [
       
'query1' => htmlspecialchars('<?xml version="1.0"?>
                        <note
                        xmlns="'
. $_SERVER['SERVER_NAME'] . '"
                        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                        xsi:schemaLocation="'
. $_SERVER['SERVER_NAME'] . ' src/xsd/select.query.xsd">
                        <request_query_select>
                        <query>
                        <PREFIX foaf: <http://xmlns.com/foaf/0.1/>
                        SELECT ?name
                        WHERE {
                            ?person foaf:name ?name .
                        }
                        </query>
                        </request_query_select>
                        </note>'
, ENT_XML1, 'UTF-8'),
       
'query2' => htmlspecialchars('<?xml version="1.0"?>
                        <note
                        xmlns="'
. $_SERVER['SERVER_NAME'] . '"
                        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                        xsi:schemaLocation="'
. $_SERVER['SERVER_NAME'] . ' src/xsd/select.query.xsd">
                        <request_query_select>
                        <query>
                        PREFIX foaf: <http://xmlns.com/foaf/0.1/>
                        SELECT *
                        WHERE {
                            ?person foaf:name ?name .
                            ?person foaf:mbox ?email .
                        }
                        </query>
                        </request_query_select>
                        </note>'
, ENT_XML1, 'UTF-8'),
       
'query3' => htmlspecialchars('<?xml version="1.0"?>
                        <note
                        xmlns="'
. $_SERVER['SERVER_NAME'] . '"
                        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                        xsi:schemaLocation="'
. $_SERVER['SERVER_NAME'] . ' src/xsd/select.query.xsd">
                        <request_query_select>
                        <query>
                        PREFIX card: <http://www.w3.org/People/Berners-Lee/card#>
                        SELECT ?homepage
                        FROM <http://www.w3.org/People/Berners-Lee/card>
                        WHERE {
                            card:i foaf:knows ?known .
                            ?known foaf:homepage ?homepage .
                        }
                        </query>
                        </request_query_select>
                        </note>'
, ENT_XML1, 'UTF-8'),
       
'query4' => htmlspecialchars('<?xml version="1.0"?>
                        <note
                        xmlns="'
. $_SERVER['SERVER_NAME'] . '"
                        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                        xsi:schemaLocation="'
. $_SERVER['SERVER_NAME'] . ' src/xsd/select.query.xsd">
                        <request_query_select>
                        <query>
                        PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
                        SELECT ?disc ?label
                        {
                          <http://nasa.dataincubator.org/spacecraft/1968-089A> space:discipline ?disc .
                          ?disc rdfs:label ?label
                        }
                        </query>
                        </request_query_select>
                        </note>'
, ENT_XML1, 'UTF-8'),
       
'query5' => htmlspecialchars('<?xml version="1.0"?>
                        <note
                        xmlns="'
. $_SERVER['SERVER_NAME'] . '"
                        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                        xsi:schemaLocation="'
. $_SERVER['SERVER_NAME'] . ' src/xsd/construct.query.xsd">
                        <request_query_construct>
                        <query>
                        PREFIX vCard: <http://www.w3.org/2001/vcard-rdf/3.0#>
                        PREFIX foaf: <http://xmlns.com/foaf/0.1/>
                        CONSTRUCT {
                          ?X vCard:FN ?name .
                          ?X vCard:URL ?url .
                          ?X vCard:TITLE ?title .
                        }
                        FROM <http://www.w3.org/People/Berners-Lee/card>
                        WHERE {
                          OPTIONAL { ?X foaf:name ?name . FILTER isLiteral(?name) . }
                          OPTIONAL { ?X foaf:homepage ?url . FILTER isURI(?url) . }
                          OPTIONAL { ?X foaf:title ?title . FILTER isLiteral(?title) . }
                        }
                        </query>
                        </request_query_construct>
                        </note>'
, ENT_XML1, 'UTF-8'),
       
'query6' => htmlspecialchars('<?xml version="1.0"?>
                        <note
                        xmlns="'
. $_SERVER['SERVER_NAME'] . '"
                        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                        xsi:schemaLocation="'
. $_SERVER['SERVER_NAME'] . ' src/xsd/ask.query.xsd">
                        <request_query_ask>
                        <query>
                        PREFIX prop: <http://dbpedia.org/property/>
                        ASK
                        {
                          <http://dbpedia.org/resource/Amazon_River> prop:length ?amazon .
                          <http://dbpedia.org/resource/Nile> prop:length ?nile .
                          FILTER(?amazon > ?nile) .
                        }
                        </query>
                        </request_query_ask>
                        </note>'
, ENT_XML1, 'UTF-8'),
       
'query7' => htmlspecialchars('<?xml version="1.0"?>
                        <note
                        xmlns="'
. $_SERVER['SERVER_NAME'] . '"
                        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                        xsi:schemaLocation="'
. $_SERVER['SERVER_NAME'] . ' src/xsd/describe.query.xsd">
                        <request_query_describe>
                        <query>
                        PREFIX foaf: <http://xmlns.com/foaf/0.1/>
                        DESCRIBE ?ford WHERE {
                          ?ford foaf:name "FORD MOTOR CO" .
                        }
                        </query>
                        </request_query_describe>
                        </note>'
, ENT_XML1, 'UTF-8'),
       
'query8' => htmlspecialchars('<?xml version="1.0"?>
                        <note
                        xmlns="'
. $_SERVER['SERVER_NAME'] . '"
                        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                        xsi:schemaLocation="'
. $_SERVER['SERVER_NAME'] . ' src/xsd/select.query.xsd">
                        <request_query_select>
                        <query>
                        PREFIX foaf: <http://xmlns.com/foaf/0.1/>
                        SELECT ?name
                        WHERE {
                            <http://www.rdfabout.com/rdf/usgov/congress/committees/SenateArmedServices/StrategicForces>
                                foaf:member ?member .
                            OPTIONAL {
                            <http://www.rdfabout.com/rdf/usgov/congress/committees/SenateArmedServices/Personnel>
                              foaf:member ?member2 .
                              FILTER (?member2 = ?member) .
                            }
                            FILTER (!bound(?member2)) .
                              ?member foaf:name ?name .
                        }
                        </query>
                        </request_query_select>
                        </note>'
, ENT_XML1, 'UTF-8'),
    ];
   
   
   
   
//body
   
   
$body = [
       
'body1' => 'body of message in case working on windows, we add \r\n',
       
'body2' => 'body of message in case working on linux, we add \n',
       
'body3' => 'body of message in case working on mac, we add \r',
    ];
   
   
   
   
//content_type
   
   
$content_type = [
       
'type1' => 'application/xml+rdf',
       
'type2' => 'application/json',
    ];
   
   
   
   
//method
   
   
$method = [
       
'method1' => 'POST',
       
'method2' => 'GET',
    ];
   
   
   
   
//raw_post_data
   
$raw_post_data = [
       
'parameter1' => 'value1',
       
'parameter2' => 'value2',
       
'parameter3' => 'value3',
    ];
   
   
   
   
//ssl_options
   
   
$ssl_options = [
       
'peer_name' => 'destination-host-name.com',
       
'verify_peer' => bool,
       
'verify_peer_name' => bool,
       
'allow_self_signed' => bool,
       
'cafile' => base64_encode($ca_file_content),
       
'capath' => '/path/to/ca/file',
       
'local_cert' => '/path/to/local/cert/file',
       
'local_pk' => '/path/to/local/private/key/file',
       
'passphrase' => 'pass_phrase_of_cert_file',
       
'CN_match' => 'common_name',
       
'verify_depth' => int,
       
'ciphers' => [
                       
'key1' => 'DEFAULT',
                       
'key2' => 'COMPLEMENTOFDEFAULT',
                       
'key3' => 'ALL',
                       
'key4' => 'COMPLEMENTOFALL',
                       
'key5' => 'HIGH',
                       
'key6' => 'MEDIUM',
                       
'key7' => 'LOW',
                       
'key8' => 'eNULL, NULL',
                       
'key9' => 'aNULL',
                       
'key10' => 'kRSA, aRSA, RSA',
                       
'key11' => 'kDHr, kDHd, kDH',
                       
'key12' => 'kDHE, kEDH, DH',
                       
'key13' => 'DHE, EDH',
                       
'key14' => 'ADH',
                       
'key15' => 'kEECDH, kECDHE, ECDH',
                       
'key16' => 'ECDHE, EECDH',
                       
'key17' => 'AECDH',
                       
'key18' => 'aDSS, DSS',
                       
'key19' => 'aDH',
                       
'key20' => 'aECDSA, ECDSA',
                       
'key21' => 'TLSv1.2, TLSv1.0, SSLv3',
                       
'key22' => 'AES128, AES256, AES',
                       
'key23' => 'AESGCM',
                       
'key24' => 'AESCCM, AESCCM8',
                       
'key25' => 'ARIA128, ARIA256, ARIA',
                       
'key26' => 'CAMELLIA128, CAMELLIA256, CAMELLIA',
                       
'key27' => 'CHACHA20',
                       
'key28' => '3DES',
                       
'key29' => 'DES',
                       
'key30' => 'RC4',
                       
'key31' => 'RC2',
                       
'key32' => 'IDEA',
                       
'key33' => 'SEED',
                       
'key34' => 'MD5',
                       
'key35' => 'SHA1, SHA',
                       
'key36' => 'SHA256, SHA384',
                       
'key37' => 'aGOST',
                       
'key38' => 'aGOST01',
                       
'key39' => 'kGOST',
                       
'key40' => 'GOST94',
                       
'key41' => 'GOST89MAC',
                       
'key42' => 'PSK',
                       
'key43' => 'kPSK, kECDHEPSK, kDHEPSK, kRSAPSK',
                       
'key44' => 'aPSK',
                       
'key45' => 'SUITEB128, SUITEB128ONLY, SUITEB192',
                    ],
       
'capture_peer_cert' => bool,
       
'capture_peer_cert_chain' => bool,
       
'SNI_enabled' => bool,
       
'SNI_server_name' => 'host_name.com',
       
'disable_compression' => bool,
       
'peer_fingerprint' => 'md5 || SHA1',
    ];
   
   
   
   
   
//clear_history
   
$clear_history = FALSE;

    print \
REQUEST_EXAMPLE\ExampleX::__init(
       
$arr, $postFile, $putFile, $postFields,
       
$options, $headers, $put_data, $query_data,
       
$body, $content_type, $method,
       
$raw_post_data, $ssl_options, $clear_history
   
);


Details

PECL_HTTP_Middleware

Pecl HTTP Middleware

The XML + RDF + SPARQL + XSD is RequestsPoolX.php

The XSD files are:

reference.xsd
error.xsd

The RESTful is RequestsPool.php


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  Plain text file RequestsPool.php Class Class source
  Plain text file RequestsPoolX.php Class Class source

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