rejig how things work so that http1 is a seperate module.
This commit is contained in:
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fb37ffd0e6
commit
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3 changed files with 234 additions and 235 deletions
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@ -1,7 +1,7 @@
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[package]
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[package]
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name = "packeteer"
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name = "packeteer"
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description = "An attempt at a Rust library that can be used to assist in programmatically analysing, serving and handling received protocol packets."
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description = "An attempt at a Rust library that can be used to assist in programmatically analysing, serving and handling received protocol packets."
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version = "0.1.3"
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version = "0.1.4"
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edition = "2021"
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edition = "2021"
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authors = ["Celeste <colean@colean.cc>"]
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authors = ["Celeste <colean@colean.cc>"]
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license = "LGPL-3.0-or-later"
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license = "LGPL-3.0-or-later"
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232
src/http1.rs
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232
src/http1.rs
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@ -0,0 +1,232 @@
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//! The module handling HTTP/1.0 and HTTP/1.1 operations.
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//! It contains structures for HTTP/1.x requests and responses as well as functions for generating, unpacking and constructing them.
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//! It can also upgrade and downgrade HTTP/1.x requests.
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use super::{KVHeader, generate_kvheader};
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use std::str::FromStr;
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/// A structure for HTTP/1.x requests.
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/// Generated with packeteer::http1::generate_request.
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#[derive(Debug)]
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pub struct Http1Request {
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pub method: String,
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pub location: String,
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pub version: String,
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pub headers: Vec<KVHeader>,
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pub body: String,
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}
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/// A structure for HTTP/1.x responses.
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/// Generated with packeteer::http1::generate_response.
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#[derive(Debug)]
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pub struct Http1Response {
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pub version: String,
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pub status: String,
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pub headers: Vec<KVHeader>,
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pub body: String,
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pub code: i32,
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}
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/// A function for generating Http1Request structures.
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/// By default, packeteer generates HTTP/1.1 requests.
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pub fn generate_request(method: &str, host: &str, location: &str, body: &str) -> Http1Request {
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let hostkv = generate_kvheader("Host", host);
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let request = Http1Request { method: method.to_string(), location: location.to_string(), version: "1.1".to_string(), headers: vec![hostkv], body: body.to_string() };
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return request
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}
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/// A function for generating Http1Response structures.
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/// By default, packeteer generates HTTP/1.1 responses.
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pub fn generate_response(code: i32, body: &str) -> Http1Response {
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let mut xcode = code;
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if code_to_string(xcode) == "500 Internal Server Error" {
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xcode = 500;
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}
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let response = Http1Response { version: "1.1".to_string(), status: code_to_string(xcode), headers: vec![], body: body.to_string(), code: xcode };
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return response
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}
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/// A function for converting HTTP/1.x request strings into Http1Request.
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/// Construction functions aim to be as transparent as possible so apart from turning it into a structure, the request stays relatively unchanged.
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pub fn construct_request(request: &str) -> Http1Request {
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let split = request.split("\r\n");
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let mut request = Http1Request { method: "".to_string(), location: "".to_string(), version: "".to_string(), headers: vec![], body: "".to_string() };
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let mut reachedbody = false;
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for v in split {
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if reachedbody != true {
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if v.contains("HTTP/1.1") {
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let split1: Vec<&str> = v.split(" ").collect();
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request.method = split1[0].to_string();
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request.location = split1[1].to_string();
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request.version = "1.1".to_string();
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} else if v.contains("HTTP/1.0") {
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let split1: Vec<&str> = v.split(" ").collect();
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request.method = split1[0].to_string();
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request.location = split1[1].to_string();
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request.version = "1.0".to_string();
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} else if v == "" {
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reachedbody = true;
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} else {
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let split1: Vec<&str> = v.split(": ").collect();
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let header = generate_kvheader(split1[0], split1[1]);
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request.headers.push(header)
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}
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} else {
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request.body = v.to_string();
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}
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}
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return request
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}
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/// A function for converting HTTP/1.x response strings into Http1Response.
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/// Construction functions aim to be as transparent as possible so apart from turning it into a structure, the response stays relatively unchanged.
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pub fn construct_response(response: &str) -> Http1Response {
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let split = response.split("\r\n");
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let mut response = Http1Response { version: "".to_string(), status: "".to_string(), headers: vec![], body: "".to_string(), code: 0 };
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let mut reachedbody = false;
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for v in split {
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if reachedbody != true {
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if v.contains("HTTP/1.1") {
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let split1: Vec<&str> = v.split(" ").collect();
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let split2: Vec<&str> = v.split("HTTP/1.1 ").collect();
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response.version = "1.1".to_string();
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let n: i32 = FromStr::from_str(split1[1]).unwrap();
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response.status = split2[1].to_string();
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response.code = n;
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} else if v.contains("HTTP/1.0") {
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let split1: Vec<&str> = v.split(" ").collect();
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let split2: Vec<&str> = v.split("HTTP/1.0 ").collect();
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response.version = "1.0".to_string();
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let n: i32 = FromStr::from_str(split1[1]).unwrap();
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response.status = split2[1].to_string();
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response.code = n;
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} else if v == "" {
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reachedbody = true;
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} else {
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let split1: Vec<&str> = v.split(": ").collect();
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let header = generate_kvheader(split1[0], split1[1]);
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response.headers.push(header)
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}
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} else {
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response.body = v.to_string();
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}
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}
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return response
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}
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/// A function for converting Http1Request structures into HTTP/1.x request strings.
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/// Unpacking functions are simply taking the data stored in the structure and concatenating it into a string so nothing changes apart from the conversion.
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pub fn unpack_request(request: Http1Request) -> String {
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let mut unpacked = format!("{} {} HTTP/{}\r\n", request.method, request.location, request.version);
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for header in request.headers {
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unpacked = format!("{}{}: {}\r\n", unpacked, header.key, header.value);
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}
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unpacked = format!("{}\r\n{}",unpacked,request.body);
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return unpacked;
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}
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/// A function for converting Http1Response structures into HTTP/1.x response strings.
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/// Unpacking functions are simply taking the data stored in the structure and concatenating it into a string so nothing changes apart from the conversion.
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pub fn unpack_response(response: Http1Response) -> String {
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let mut unpacked = format!("HTTP/{} {}\r\n", response.version, response.status);
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for header in response.headers {
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unpacked = format!("{}{}: {}\r\n", unpacked, header.key, header.value);
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}
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unpacked = format!("{}\r\n{}",unpacked,response.body);
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return unpacked;
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}
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/// A function for downgrading request structures to HTTP/1.0, this is destructive as it removes the keep-alive and Host headers for compatibility.
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/// I don't recommend using this unless you have a specific purpose for downgrading (like accommodating strict HTTP/1.0 clients).
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pub fn downgrade_request(mut request: Http1Request) -> Http1Request {
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let mut i: usize = 0;
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let mut earmark: Vec<usize> = vec![];
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for header in &request.headers {
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if header.key == "Connection" && header.value == "keep-alive" {
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earmark.push(i);
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}
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if header.key == "Host" {
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earmark.push(i);
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}
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i = i + 1
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}
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for i in earmark {
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request.headers.remove(i);
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}
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request.version = "1.0".to_string();
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return request
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}
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/// A function for upgrading request structures to HTTP/1.1, this function doesn't remove any headers.
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/// It adds on Host and keep-alive headers at user request.
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pub fn upgrade_request(mut request: Http1Request, host: &str, keepalive: bool) -> Http1Request {
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if keepalive {
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request.headers.push(generate_kvheader("Connection", "keep-alive"));
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}
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if host != "" {
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request.headers.push(generate_kvheader("Host", host));
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}
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request.version = "1.1".to_string();
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return request
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}
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/// A lookup table-like function for switching i32 codes for their human-readable string equivalent.
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fn code_to_string(code: i32) -> String {
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match code {
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100 => "100 Continue".to_string(),
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101 => "101 Switching Protocols".to_string(),
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102 => "102 Processing".to_string(),
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103 => "103 Early Hints".to_string(),
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200 => "200 OK".to_string(),
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201 => "201 Created".to_string(),
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202 => "202 Accepted".to_string(),
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203 => "203 Non-Authoritative Information".to_string(),
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204 => "204 No Content".to_string(),
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205 => "205 Reset Content".to_string(),
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206 => "206 Partial Content".to_string(),
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207 => "207 Multi-Status".to_string(),
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208 => "208 Already Reported".to_string(),
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226 => "226 IM Used".to_string(),
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300 => "300 Multiple Choices".to_string(),
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301 => "301 Moved Permanently".to_string(),
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302 => "302 Found".to_string(),
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303 => "303 See Other".to_string(),
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304 => "304 Not Modified".to_string(),
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305 => "305 Use Proxy".to_string(),
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306 => "306 Switch Proxy".to_string(),
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307 => "307 Temporary Redirect".to_string(),
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308 => "308 Permanent Redirect".to_string(),
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400 => "400 Bad Request".to_string(),
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401 => "401 Unauthorized".to_string(),
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402 => "402 Payment Required".to_string(),
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403 => "403 Forbidden".to_string(),
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404 => "404 Not Found".to_string(),
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405 => "405 Method Not Allowed".to_string(),
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406 => "406 Not Acceptable".to_string(),
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407 => "407 Proxy Authentication Required".to_string(),
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408 => "408 Request Timeout".to_string(),
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409 => "409 Conflict".to_string(),
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410 => "410 Gone".to_string(),
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411 => "411 Length Required".to_string(),
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412 => "412 Precondition Failed".to_string(),
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413 => "413 Payload Too Large".to_string(),
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414 => "414 URI Too Long".to_string(),
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415 => "415 Unsupported Media Type".to_string(),
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416 => "416 Range Not Satisfiable".to_string(),
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417 => "417 Expectation Failed".to_string(),
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418 => "418 I'm a teapot".to_string(),
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421 => "421 Misdirected Request".to_string(),
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422 => "422 Unprocessable Entity".to_string(),
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423 => "423 Locked".to_string(),
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424 => "424 Failed Dependency".to_string(),
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425 => "425 Too Early".to_string(),
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426 => "426 Upgrade Required".to_string(),
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428 => "428 Precondition Required".to_string(),
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429 => "429 Too Many Requests".to_string(),
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431 => "431 Request Header Fields Too Large".to_string(),
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451 => "451 Unavailable For Legal Reasons".to_string(),
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500 => "500 Internal Server Error".to_string(),
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501 => "501 Not Implemented".to_string(),
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502 => "502 Bad Gateway".to_string(),
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503 => "503 Service Unavailable".to_string(),
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504 => "504 Gateway Timeout".to_string(),
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505 => "505 HTTP Version Not Supported".to_string(),
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506 => "506 Variant Also Negotiates".to_string(),
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507 => "507 Insufficient Storage".to_string(),
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508 => "508 Loop Detected".to_string(),
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510 => "510 Not Extended".to_string(),
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511 => "511 Network Authentication Required".to_string(),
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_ => "500 Internal Server Error".to_string(),
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}
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}
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235
src/lib.rs
235
src/lib.rs
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@ -43,238 +43,5 @@ pub fn generate_kvheader(key: &str, value: &str) -> KVHeader {
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return result
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return result
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}
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}
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/// The module handling HTTP/1.0 and HTTP/1.1 operations.
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/// It contains structures for HTTP/1.x requests and responses as well as functions for generating, unpacking and constructing them.
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/// It can also upgrade and downgrade HTTP/1.x requests.
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#[cfg(feature = "http1")]
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#[cfg(feature = "http1")]
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pub mod http1 {
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pub mod http1;
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use super::{KVHeader, generate_kvheader};
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use std::str::FromStr;
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/// A structure for HTTP/1.x requests.
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/// Generated with packeteer::http1::generate_request.
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#[derive(Debug)]
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pub struct Http1Request {
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pub method: String,
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pub location: String,
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pub version: String,
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pub headers: Vec<KVHeader>,
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pub body: String,
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}
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/// A structure for HTTP/1.x responses.
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/// Generated with packeteer::http1::generate_response.
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#[derive(Debug)]
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pub struct Http1Response {
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pub version: String,
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pub status: String,
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pub headers: Vec<KVHeader>,
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pub body: String,
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pub code: i32,
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}
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/// A function for generating Http1Request structures.
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/// By default, packeteer generates HTTP/1.1 requests.
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pub fn generate_request(method: &str, host: &str, location: &str, body: &str) -> Http1Request {
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let hostkv = generate_kvheader("Host", host);
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let request = Http1Request { method: method.to_string(), location: location.to_string(), version: "1.1".to_string(), headers: vec![hostkv], body: body.to_string() };
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return request
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}
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/// A function for generating Http1Response structures.
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/// By default, packeteer generates HTTP/1.1 responses.
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pub fn generate_response(code: i32, body: &str) -> Http1Response {
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let mut xcode = code;
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if code_to_string(xcode) == "500 Internal Server Error" {
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xcode = 500;
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}
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let response = Http1Response { version: "1.1".to_string(), status: code_to_string(xcode), headers: vec![], body: body.to_string(), code: xcode };
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return response
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}
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/// A function for converting HTTP/1.x request strings into Http1Request.
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/// Construction functions aim to be as transparent as possible so apart from turning it into a structure, the request stays relatively unchanged.
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pub fn construct_request(request: &str) -> Http1Request {
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let split = request.split("\r\n");
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let mut request = Http1Request { method: "".to_string(), location: "".to_string(), version: "".to_string(), headers: vec![], body: "".to_string() };
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let mut reachedbody = false;
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for v in split {
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if reachedbody != true {
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if v.contains("HTTP/1.1") {
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let split1: Vec<&str> = v.split(" ").collect();
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request.method = split1[0].to_string();
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request.location = split1[1].to_string();
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request.version = "1.1".to_string();
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} else if v.contains("HTTP/1.0") {
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let split1: Vec<&str> = v.split(" ").collect();
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request.method = split1[0].to_string();
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request.location = split1[1].to_string();
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request.version = "1.0".to_string();
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} else if v == "" {
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reachedbody = true;
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} else {
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let split1: Vec<&str> = v.split(": ").collect();
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let header = generate_kvheader(split1[0], split1[1]);
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request.headers.push(header)
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}
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} else {
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request.body = v.to_string();
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}
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}
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return request
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}
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/// A function for converting HTTP/1.x response strings into Http1Response.
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/// Construction functions aim to be as transparent as possible so apart from turning it into a structure, the response stays relatively unchanged.
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pub fn construct_response(response: &str) -> Http1Response {
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let split = response.split("\r\n");
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|
||||||
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
|
|
||||||
}
|
|
||||||
/// A function for converting Http1Request structures into HTTP/1.x request strings.
|
|
||||||
/// Unpacking functions are simply taking the data stored in the structure and concatenating it into a string so nothing changes apart from the conversion.
|
|
||||||
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;
|
|
||||||
}
|
|
||||||
/// A function for converting Http1Response structures into HTTP/1.x response strings.
|
|
||||||
/// Unpacking functions are simply taking the data stored in the structure and concatenating it into a string so nothing changes apart from the conversion.
|
|
||||||
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;
|
|
||||||
}
|
|
||||||
/// A function for downgrading request structures to HTTP/1.0, this is destructive as it removes the keep-alive and Host headers for compatibility.
|
|
||||||
/// I don't recommend using this unless you have a specific purpose for downgrading (like accommodating strict HTTP/1.0 clients).
|
|
||||||
pub fn downgrade_request(mut request: Http1Request) -> Http1Request {
|
|
||||||
let mut i: usize = 0;
|
|
||||||
let mut earmark: Vec<usize> = vec![];
|
|
||||||
for header in &request.headers {
|
|
||||||
if header.key == "Connection" && header.value == "keep-alive" {
|
|
||||||
earmark.push(i);
|
|
||||||
}
|
|
||||||
if header.key == "Host" {
|
|
||||||
earmark.push(i);
|
|
||||||
}
|
|
||||||
i = i + 1
|
|
||||||
}
|
|
||||||
for i in earmark {
|
|
||||||
request.headers.remove(i);
|
|
||||||
}
|
|
||||||
request.version = "1.0".to_string();
|
|
||||||
return request
|
|
||||||
}
|
|
||||||
/// A function for upgrading request structures to HTTP/1.1, this function doesn't remove any headers.
|
|
||||||
/// It adds on Host and keep-alive headers at user request.
|
|
||||||
pub fn upgrade_request(mut request: Http1Request, host: &str, keepalive: bool) -> Http1Request {
|
|
||||||
if keepalive {
|
|
||||||
request.headers.push(generate_kvheader("Connection", "keep-alive"));
|
|
||||||
}
|
|
||||||
if host != "" {
|
|
||||||
request.headers.push(generate_kvheader("Host", host));
|
|
||||||
}
|
|
||||||
request.version = "1.1".to_string();
|
|
||||||
return request
|
|
||||||
}
|
|
||||||
|
|
||||||
/// A lookup table-like function for switching i32 codes for their human-readable string equivalent.
|
|
||||||
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(),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue