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Request data through a proxy with GuzzleHttp – PSR-7 compliant

Request data through a proxy with GuzzleHttp – PSR-7 compliant

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When a Magento shop – or any other PHP application – is required to request data from or transmit data to a remote server, it is often necessary to redirect the traffic through a Http-proxy server. In my case this was essential because the called endpoint allows only certain IP addresses to access the requested ressource. Since I am working from various locations, each having a different IP address, I had to find a way that certain Http-requests are routed…

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PSR-7 Standard – Part 5 – HTTP Client

PSR-7 Standard – Part 5 – HTTP Client

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This post is part of series: Part 1: Overview Part 2: Request and URI Part 3: Response Part 4: File Uploads Part 5: HTTP-Client Part 6: Server Request Part 7: Middleware Part 8: Usage in a Magento module The fifth part of the PSR-7 series describes the HTTP Client. The HTTP client is tool which sends a request to a server and returns the response. Sadly PSR-7 does not contain an interface for the HTTP client. The Standard contains only the HTTP messages. The…

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PSR-7 Standard – Part 4 – File Uploads

PSR-7 Standard – Part 4 – File Uploads

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This post is part of series: Part 1: Overview Part 2: Request and URI Part 3: Response Part 4: File Uploads Part 5: HTTP-Client Part 6: Server Request Part 7: Middleware Part 8: Usage in a Magento module After we learned what a Request and a Response are, let’s now look how we can send files to the server. Then have a look on how we can process them with Guzzle on the server side. Client Side Script As you can see in the…

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PSR-7 Standard – Part 2 – Request and URI

PSR-7 Standard – Part 2 – Request and URI

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This post is part of series: Part 1: Overview Part 2: Request and URI Part 3: Response Part 4: File Uploads Part 5: HTTP-Client Part 6: Server Request Part 7: Middleware Part 8: Usage in a Magento module In the last blog post we described the history of PSR-7. The standard contains only interfaces. Today we start with the first two interfaces. The RequestInterface and the UriInterface. What is a HTTP Request? To start we create a little server simulation script with this content:…

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PSR-7 Standard – Part 1 – Overview

PSR-7 Standard – Part 1 – Overview

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This post is part of series: Part 1: Overview Part 2: Request and URI Part 3: Response Part 4: File Uploads Part 5: HTTP-Client Part 6: Server Request Part 7: Middleware Part 8: Usage in a Magento module This is the first post of my new PSR-7 series. If you already use PSR-7 in your daily life as programmer you can skip the first part of this post. What is PSR-7? PSR-7 is a standard defined by the PHP-FIG. It don’t like to repeat…

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How to add alternative HTTP headers to Magento 2?

How to add alternative HTTP headers to Magento 2?

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If you have more than one frontend server running in your business, it’s needed to load balance the traffic between the nodes. In this case we have a new instance between the browser and the web-server. Often it’s a system like HAProxy or Varnish. If the load balancer or proxy receives a request from a browser, it forwards it to backend server in the internal network. The IP address of the client is than added to a forward header which contains…

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