http-request 21.11.0

http-request is a lightweight, efficient library for building, sending, and handling HTTP/HTTPS requests in Rust applications. It provides a simple and intuitive API, allowing developers to easily interact with web services, whether they use the "HTTP" or "HTTPS" protocol. The library supports various HTTP methods, custom headers, request bodies, timeout, automatic handling of redirects (including detecting redirect loops), and enhanced response body decoding (both automatic and manual), enabling fast and secure communication. Whether working with secure "HTTPS" connections or standard "HTTP" requests, the library is optimized for performance, minimal resource usage, and easy integration into Rust projects.
Documentation 
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/// Byte pattern for matching 'content-length' header in HTTP requests.
///
/// Used for case-sensitive matching of the content-length header.
pub(crate) const CONTENT_LENGTH_PATTERN: &[u8] = b"content-length:";

/// Byte pattern for matching 'transfer-encoding' header in HTTP requests.
///
/// Used for case-sensitive matching of the transfer-encoding header.
pub(crate) const TRANSFER_ENCODING_PATTERN: &[u8] = b"transfer-encoding:";

/// Byte pattern for matching 'chunked' value in HTTP headers.
///
/// Used for case-sensitive matching of the chunked transfer encoding value.
pub(crate) const CHUNKED_PATTERN: &[u8] = b"chunked";

/// Error message used when the request method is neither GET nor POST.
pub(crate) const METHOD_NOT_ALLOWED: &str = "Method Not Allowed";

/// Error message used when a redirect was signalled but no target was found.
pub(crate) const MISSING_REDIRECT_URL: &str = "Missing Redirect URL";

/// Error message used when redirect handling is disabled by configuration.
pub(crate) const REDIRECT_NOT_ENABLED: &str = "Redirect Not Enabled";

/// Error message used when a redirect target was already visited.
pub(crate) const REDIRECT_URL_DEAD_LOOP: &str = "Redirect URL Dead Loop";

/// Error message used when the redirect budget is exhausted.
pub(crate) const MAX_REDIRECT_TIMES_EXCEEDED: &str = "Max Redirect Times Exceeded";

/// Error message used when a proxy handshake fails.
pub(crate) const INTERNAL_SERVER_ERROR: &str = "Internal Server Error";

/// Prefix of a successful HTTP/1.1 proxy response status line.
pub(crate) const HTTP_1_1_OK_PREFIX: &str = "HTTP/1.1 200";

/// Prefix of a successful HTTP/1.0 proxy response status line.
pub(crate) const HTTP_1_0_OK_PREFIX: &str = "HTTP/1.0 200";

/// Separator marking the end of an HTTP header block.
pub(crate) const HEADER_TERMINATOR: &str = "\r\n\r\n";

/// HTTP request-line method token for POST.
pub(crate) const HTTP_METHOD_POST: &str = "POST";