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/target
Cargo.lock

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[package]
name = "packeteer"
description = "An attempt at a Rust library that can be used to assist in programmatically analysing, serving and handling received protocol packets."
version = "0.1.0"
edition = "2021"
authors = ["Celeste <colean@colean.cc>"]
license = "LGPL-3.0-or-later"
homepage = "https://git.colean.cc/packeteer/"
repository = "https://git.colean.cc/packeteer/"
readme = "README.md"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[features]
http1 = []
[dependencies]

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GNU LESSER GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright © 2007 Free Software Foundation, Inc. <https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.
This version of the GNU Lesser General Public License incorporates the terms and conditions of version 3 of the GNU General Public License, supplemented by the additional permissions listed below.
0. Additional Definitions.
As used herein, “this License” refers to version 3 of the GNU Lesser General Public License, and the “GNU GPL” refers to version 3 of the GNU General Public License.
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If you modify a copy of the Library, and, in your modifications, a facility refers to a function or data to be supplied by an Application that uses the facility (other than as an argument passed when the facility is invoked), then you may convey a copy of the modified version:
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The object code form of an Application may incorporate material from a header file that is part of the Library. You may convey such object code under terms of your choice, provided that, if the incorporated material is not limited to numerical parameters, data structure layouts and accessors, or small macros, inline functions and templates (ten or fewer lines in length), you do both of the following:
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Packeteer
-------------
Packeteer is a library that can handle structurally organising protocol packets like HTTP 1.x requests and responses as well as generating, structuring, unpacking and potentially more features depending on the protocol.
Supported protocols
-----------------------
* HTTP/1.x
What Packeteer is not
-------------------------
* a TCP/UDP stream handling library
* a server
* a protocol client
* the only way to do this, probably

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<h1>Packeteer</h1>
<p>Packeteer is a library that can handle structurally organising protocol packets like HTTP 1.x requests and responses as well as generating, structuring, unpacking and potentially more features depending on the protocol.</p>
<h2>Supported protocols</h2>
<ul>
<li>HTTP/1.x</li>
</ul>
<h2>What Packeteer is not</h2>
<ul>
<li>a TCP/UDP stream handling library</li>
<li>a server</li>
<li>a protocol client</li>
<li>the only way to do this, probably</li>
</ul>

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# Packeteer
Packeteer is a library that can handle structurally organising protocol packets like HTTP 1.x requests and responses as well as generating, structuring, unpacking and potentially more features depending on the protocol.
## Supported protocols
* HTTP/1.x
## What Packeteer is _not_
* a TCP/UDP stream handling library
* a server
* a protocol client
* the only way to do this, probably

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#[derive(Debug)]
pub struct KVHeader {
pub key: String,
pub value: String,
}
pub fn generate_kvheader(key: &str, value: &str) -> KVHeader {
let result = KVHeader { key: key.to_string(), value: value.to_string() };
return result
}
#[cfg(feature = "http1")]
pub mod http1 {
use super::{KVHeader, generate_kvheader};
use std::str::FromStr;
#[derive(Debug)]
pub struct Http1Request {
pub method: String,
pub location: String,
pub version: String,
pub headers: Vec<KVHeader>,
pub body: String,
}
#[derive(Debug)]
pub struct Http1Response {
pub version: String,
pub status: String,
pub headers: Vec<KVHeader>,
pub body: String,
pub code: i32,
}
pub fn generate_request(method: &str, host: &str, location: &str, body: &str) -> Http1Request {
let hostkv = generate_kvheader("Host", host);
let request = Http1Request { method: method.to_string(), location: location.to_string(), version: "1.1".to_string(), headers: vec![hostkv], body: body.to_string() };
return request
}
pub fn generate_response(code: i32, body: &str) -> Http1Response {
let mut xcode = code;
if code_to_string(xcode) == "500 Internal Server Error" {
xcode = 500;
}
let response = Http1Response { version: "1.1".to_string(), status: code_to_string(xcode), headers: vec![], body: body.to_string(), code: xcode };
return response
}
pub fn construct_request(request: &str) -> Http1Request {
let split = request.split("\r\n");
let mut request = Http1Request { method: "".to_string(), location: "".to_string(), version: "".to_string(), headers: vec![], body: "".to_string() };
let mut reachedbody = false;
for v in split {
if reachedbody != true {
if v.contains("HTTP/1.1") {
let split1: Vec<&str> = v.split(" ").collect();
request.method = split1[0].to_string();
request.location = split1[1].to_string();
request.version = "1.1".to_string();
} else if v.contains("HTTP/1.0") {
let split1: Vec<&str> = v.split(" ").collect();
request.method = split1[0].to_string();
request.location = split1[1].to_string();
request.version = "1.0".to_string();
} else if v == "" {
reachedbody = true;
} else {
let split1: Vec<&str> = v.split(": ").collect();
let header = generate_kvheader(split1[0], split1[1]);
request.headers.push(header)
}
} else {
request.body = v.to_string();
}
}
return request
}
pub fn construct_response(response: &str) -> Http1Response {
let split = response.split("\r\n");
let mut response = Http1Response { version: "".to_string(), status: "".to_string(), headers: vec![], body: "".to_string(), code: 0 };
let mut reachedbody = false;
for v in split {
if reachedbody != true {
if v.contains("HTTP/1.1") {
let split1: Vec<&str> = v.split(" ").collect();
let split2: Vec<&str> = v.split("HTTP/1.1 ").collect();
response.version = "1.1".to_string();
let n: i32 = FromStr::from_str(split1[1]).unwrap();
response.status = split2[1].to_string();
response.code = n;
} else if v.contains("HTTP/1.0") {
let split1: Vec<&str> = v.split(" ").collect();
let split2: Vec<&str> = v.split("HTTP/1.0 ").collect();
response.version = "1.0".to_string();
let n: i32 = FromStr::from_str(split1[1]).unwrap();
response.status = split2[1].to_string();
response.code = n;
} else if v == "" {
reachedbody = true;
} else {
let split1: Vec<&str> = v.split(": ").collect();
let header = generate_kvheader(split1[0], split1[1]);
response.headers.push(header)
}
} else {
response.body = v.to_string();
}
}
return response
}
pub fn unpack_request(request: Http1Request) -> String {
let mut unpacked = format!("{} {} HTTP/{}\r\n", request.method, request.location, request.version);
for header in request.headers {
unpacked = format!("{}{}: {}\r\n", unpacked, header.key, header.value);
}
unpacked = format!("{}\r\n{}",unpacked,request.body);
return unpacked;
}
pub fn unpack_response(response: Http1Response) -> String {
let mut unpacked = format!("HTTP/{} {}\r\n", response.version, response.status);
for header in response.headers {
unpacked = format!("{}{}: {}\r\n", unpacked, header.key, header.value);
}
unpacked = format!("{}\r\n{}",unpacked,response.body);
return unpacked;
}
fn code_to_string(code: i32) -> String {
match code {
100 => "100 Continue".to_string(),
101 => "101 Switching Protocols".to_string(),
102 => "102 Processing".to_string(),
103 => "103 Early Hints".to_string(),
200 => "200 OK".to_string(),
201 => "201 Created".to_string(),
202 => "202 Accepted".to_string(),
203 => "203 Non-Authoritative Information".to_string(),
204 => "204 No Content".to_string(),
205 => "205 Reset Content".to_string(),
206 => "206 Partial Content".to_string(),
207 => "207 Multi-Status".to_string(),
208 => "208 Already Reported".to_string(),
226 => "226 IM Used".to_string(),
300 => "300 Multiple Choices".to_string(),
301 => "301 Moved Permanently".to_string(),
302 => "302 Found".to_string(),
303 => "303 See Other".to_string(),
304 => "304 Not Modified".to_string(),
305 => "305 Use Proxy".to_string(),
306 => "306 Switch Proxy".to_string(),
307 => "307 Temporary Redirect".to_string(),
308 => "308 Permanent Redirect".to_string(),
400 => "400 Bad Request".to_string(),
401 => "401 Unauthorized".to_string(),
402 => "402 Payment Required".to_string(),
403 => "403 Forbidden".to_string(),
404 => "404 Not Found".to_string(),
405 => "405 Method Not Allowed".to_string(),
406 => "406 Not Acceptable".to_string(),
407 => "407 Proxy Authentication Required".to_string(),
408 => "408 Request Timeout".to_string(),
409 => "409 Conflict".to_string(),
410 => "410 Gone".to_string(),
411 => "411 Length Required".to_string(),
412 => "412 Precondition Failed".to_string(),
413 => "413 Payload Too Large".to_string(),
414 => "414 URI Too Long".to_string(),
415 => "415 Unsupported Media Type".to_string(),
416 => "416 Range Not Satisfiable".to_string(),
417 => "417 Expectation Failed".to_string(),
418 => "418 I'm a teapot".to_string(),
421 => "421 Misdirected Request".to_string(),
422 => "422 Unprocessable Entity".to_string(),
423 => "423 Locked".to_string(),
424 => "424 Failed Dependency".to_string(),
425 => "425 Too Early".to_string(),
426 => "426 Upgrade Required".to_string(),
428 => "428 Precondition Required".to_string(),
429 => "429 Too Many Requests".to_string(),
431 => "431 Request Header Fields Too Large".to_string(),
451 => "451 Unavailable For Legal Reasons".to_string(),
500 => "500 Internal Server Error".to_string(),
501 => "501 Not Implemented".to_string(),
502 => "502 Bad Gateway".to_string(),
503 => "503 Service Unavailable".to_string(),
504 => "504 Gateway Timeout".to_string(),
505 => "505 HTTP Version Not Supported".to_string(),
506 => "506 Variant Also Negotiates".to_string(),
507 => "507 Insufficient Storage".to_string(),
508 => "508 Loop Detected".to_string(),
510 => "510 Not Extended".to_string(),
511 => "511 Network Authentication Required".to_string(),
_ => "500 Internal Server Error".to_string(),
}
}
}