http_client | http client written in C and pure socket | HTTP library
kandi X-RAY | http_client Summary
kandi X-RAY | http_client Summary
A http client written in C and pure socket, for understanding HTTP protocol. 用于理解 http 协议的 http 客户端. 我们想想浏览器做了什么事情, 根据 url, 请求对方服务器, 获取相应的文件. 示例： 解析到的 ip 地址为: IP ADDRESS->93.184.216.34.
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QUESTION
I am new to rust, and trying to learn it after python, and have faced to problem in one of the simplest tasks.
For simplicity I want to write function to get data(in this example - text) from http response.
src/main.rs
ANSWER
Answered 2022-Apr-09 at 10:02The question mark operator passes on an intermediate Result::Err value by returning it. This means that the function must have Result as its return type. But at the end of the function you try to return a String. A String is not a Result variant, but you can make it into one by wrapping it in Ok.
Alternatively if you want do not mind panics, then instead of '?' you could use '.unwrap()' and then your return type could stay String.
QUESTION
I am very stuck and I hope someone can help. I have to modify an existing C++ project to interact with an external system using a new API which is based on REST. I have very little web development experience, so forgive my ignorance.
It turns out this third party REST server doesn't like the REST components in RAD studio! While I can easily get sources on the internet to work, this system just throws authorisation errors. I have used other components with varying success. I have tried using TIdHTTP TNETHTTPClient & TNETHTTPRequest components. I have no idea which is best as part of my issue is unfamiliarity with the components...and the difficulty I have in finding examples covering what I believe I need to do. It really doesn't help that there have been Zero C++ Builder books since 2002?!
OK , so this is what I have to "replicate" , but within a C++ application
...ANSWER
Answered 2022-Apr-03 at 14:09OK, I can't say I completely understand the Whys and wherefores of it, but the observations of it I do follow.
I could not have made these observations without wireshark. This seems to be a tool you need to learn to use!
So the answer: the AJAX side of things seems to be doing translations and transformations before sending the data to the server. Here's the original "data block"
QUESTION
For a third party library* I have to provide a function which consumes some data. My implementation of the consumption requires the data to be posted to an API. So I came up with this structure below:
...ANSWER
Answered 2022-Feb-26 at 21:07It depends on the context manager. In the code you wrote, the HTTPClient you created stays alive because the function it returns maintains a reference to it, even though the variable http_client defined in consumer_provider goes out of scope.
However, HTTPClient.__exit__ is still called before consumer_provider returns, so the consumer function may not work as intended.
You may want to do something like
QUESTION
I receive the following error every few hours. Why?
I think this is related to Stripe payment.
...ANSWER
Answered 2022-Jan-04 at 04:38stripe.max_network_retries = 2 fixed the issue for me, as was suggested in the comments.
QUESTION
So I'm trying to download a binary file from a GCS (google cloud storage) bucket to update the firmware of an esp32 using the following supported structure:
code looks like this
...ANSWER
Answered 2021-Nov-18 at 11:37Downloading stuff from a storage bucket requires authenticating your client. You can't just point an HTTPS client to a storage bucket URL and merrily download. You need to generate a OAuth2 token first, then include it in a header of your request:
https://cloud.google.com/storage/docs/downloading-objects#rest-download-object
QUESTION
I am moving my app from Svelte SPA (original) to Sveltekit multi page app (new).
In the original app, I configure a http client up top and put it context using:
setContext(HTTP_CLIENT, httpClient)
Now the entire app can get that http client using
const httpClient = getContext(HTTP_CLIENT)
I do this because my app can be started with debug parameters than turn on http request logging.
I'm not clear how to do similar in Sveltekit, because it seems that pages do not share a context.
I tried sticking the http client in the session like this:
...ANSWER
Answered 2021-Nov-17 at 19:20One way around this could be to send down the configuration in the top __layout file, create the http client there and store in a store. Since stores are shared across all pages the client can then freely use this store.
QUESTION
I'm new to APIs and am following the exact instructions of every website explaining how one is supposed to get help of the APIs in Python using the requests module. However, no matter what API link I define (of course I went for many free API samples just to test if they work), I get this error: ImportError: cannot import name 'b64encode' from 'base64'
I have no idea what the problem is, or what I'm not getting right.
Here's my snippet, just as a sample:
ANSWER
Answered 2021-Nov-03 at 12:04If you look carefully at the traceback, you will see that it starts with your script, "/home/liana/Desktop/testing.py", goes through a chain of imports, and ends up crashing trying to import b64encode from base64.py.
The file /home/liana/Desktop/base64.py is something you either created or downloaded. Since it's in the current directory, it supersedes the real base64.py that "/usr/lib/python3.9/email/base64mime.py" is looking for. The file in your current directory clearly does not define the name b64encode, which is the immediate cause of the error.
To fix the problem, make sure the names of the files in your current directory don't conflict with the names of other top level modules. So either rename it delete /home/liana/Desktop/base64.py.
QUESTION
I built an ASP.NET Core 3.1 Web API that uses JWT for authentication; published the project and deployed to Windows 2019 server running IIS.
In IIS I created the site as follows:
created new Application Pool with 'No Managed Code' as the .NET CLR Version. Normally websites run inside an IIS worker process, but in .NET Core they run as a separate process, so there's no need for a .NET Runtime in the app pool.
created a new website for my ASP.NET Core application: selected the app pool previously created, set the Physical Path to the folder that contains the published app, selected HTTPS as the binding and also selected the certificate in the SSL certificate dropdown to the certificate I obtained from Comodo. I also set Hostname and checked 'Require server name indication' to true - because I have legacy WCF sites that have a different hostname but are on the same IP.
In Postman when I send a request with SSL Certificate Verification on, I get an SSL Error: Hostname/IP does not match certificate's altnames. With SSL Verification off it works without error.
When creating a .NET desktop client using HttpClient and send a request to the site I get an error: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.
When I Google this issue I find mostly articles related to people using self-signed certs on dev environments.
If I add the following code to my client it works without issue:
...ANSWER
Answered 2021-Oct-31 at 21:30As mentioned in my OP, I was previously running just one site on IIS that serves some legacy WCF services. I then added another site for a .NET Core Web API on the same IP address. To do this I had to enabled Server Name Indication (SNI) in IIS for the new site.
However, I discovered that when using SNI you have to turn it on for all sites not just one. I used ssllabs.com to run a test on the server and it was coming back with Certificate Name Mismatch, and returning a certificate for another domain/hostname.
Running "netsh http show sslcert" on the server showed both certificates, but the one for the WCF site was not linked to a hostname - just the IP address. So any request that came in to that IP address would always only get that certificate.
Enabling SNI for the other (WCF) site fixed the problem. Now each certificate is bound to IP/Hostname.
QUESTION
I've been trying to return a stream, as I've done with tokio::fs::File however I am getting a lifetime error on the BlobClient.
...ANSWER
Answered 2021-Oct-08 at 23:24The problem is that the stream borrows from blob, but the wrap_stream() function only accepts 'static streams. A workaround is to construct the stream in a new task, and send back the stream items through a channel. The following helper function helps implement this approach:
QUESTION
I have two functions and I'm using similar parameters but for one they work as expected and for the other, they do not:
...ANSWER
Answered 2021-Jul-15 at 02:58The difference between the two functions is the number of parameters to be filled in by the user. In the first function you have tickers and func, and in the second one you only have tickers.
From the FastAPI documentation:
But if you have only a single item body parameter from a Pydantic model Item.
By default, FastAPI will then expect its body directly.
But if you want it to expect a JSON with a key item and inside of it the model contents, you can use the special Body parameter embed
So in the second function, if you want to have a key, you must write:
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