reqrio 0.3.0-alpha3

A lightweight, high-performance, fingerprint-based HTTP request library.
Documentation 
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use crate::error::HlsResult;
use crate::reader::{ReadExt, Writer, RefReader, StrCow};
use crate::{ContentType, HeaderKey};
use reqtls::WriteExt;

pub struct H1HeaderReader<'a> {
    pub(crate) reader: RefReader<StrCow<'a>>,
    pub(crate) pos: usize,
    pub(crate) wrote: bool,
}

impl<'a> H1HeaderReader<'a> {
    pub(crate) fn skip_h1_key(key: &HeaderKey, body_len: &usize, ct: &ContentType) -> bool {
        let is_ctx_len = key.name().eq_ignore_ascii_case("content-length");
        if is_ctx_len && body_len != &0 { return false; }
        let is_ct = key.name().eq_ignore_ascii_case("content-type");
        if is_ct && !matches!(ct, ContentType::Null) { return false; }
        let is_host = key.name().eq_ignore_ascii_case("host");
        if is_host { return false; }
        key.value().is_empty() && key.is_reserved()
    }
}

impl<'a> ReadExt for H1HeaderReader<'a> {
    fn wrote(&self) -> bool {
        self.wrote
    }

    fn len(&self) -> usize {
        self.reader.len()
    }

    fn read(&mut self, buf: &mut Writer) -> HlsResult<usize> {
        let start = buf.offset().end;
        if self.pos == 0 {
            self.reader.read(buf)?;
            match self.reader.wrote() {
                true => self.pos += 1,
                false => return Ok(buf.offset().end - start)
            }
        }
        self.wrote = true;
        Ok(buf.offset().end - start)
    }
}

#[cfg(test)]
mod tests {
    use crate::packet::HeaderParam;
    use crate::reader::{ReadExt, Writer};
    use crate::{ContentType, Header, Method};
    use reqtls::{Uri, Url};

    #[test]
    fn test_h1_reader() {
        let mut header = Header::new_req_h1();
        let uri = "/web/user/uias_login.do?appCode=hbzwfw&gotoUrl=http%3A%2F%2Fzwfw.hubei.gov.cn%2Fwebview%2Fgrkj%2Fwelcome.html&p01=";
        let uri = Uri::try_from(uri).unwrap();
        header.set_uri(uri);
        header.set_method(Method::POST);
        header.insert("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 Edg/120.0.0.0").unwrap();
        header.insert("Accept", "*/*").unwrap();
        header.insert("Sec-Fetch-Site", "none").unwrap();
        header.insert("Sec-Fetch-Mode", "navigate").unwrap();
        header.insert("Sec-Fetch-Dest", "document").unwrap();
        header.insert("sec-fetch-user", "?1").unwrap();
        header.insert("upgrade-insecure-requests", "1").unwrap();
        header.insert("sec-ch-ua", "\"Not_A Brand\";v=\"8\", \"Chromium\";v=\"120\", \"Microsoft Edge\";v=\"120\"").unwrap();
        header.insert("sec-ch-ua-mobile", "?0").unwrap();
        header.insert("sec-ch-ua-platform", "\"Windows\"").unwrap();
        header.insert("Accept-Language", "zh-CN,zh;q=0.9").unwrap();
        header.insert("Accept-Encoding", "gzip,deflate,br,zstd").unwrap();
        header.insert("Cache-Control", "no-cache").unwrap();
        header.insert("Connection", "keep-alive").unwrap();
        header.insert("cookie", "_EDGE_V=1; MUIDB=184C10AD397866DF1A1607B038566708; MUID=184C10AD397866DF1A1607B038566708; _UR=QS=0&TQS=0&Pn=0; BFBUSR=BFBHP=0; MUIDB=184C10AD397866DF1A1607B038566708; SRCHD=AF,AF,AF,AF,AF,AF,AF,AF,AF,AF,AF,AF,AF,AF,AF&AF=NOFORM; SRCHUID=V=2&GUID=EB7B9E5DE58F4D5690F6904732C24C7B&dmnchg=1; USRLOC=HS&ELOC=LAT=23.384721755981445|LON=113.44195556640625|N=%E7%99%BD%E4%BA%91%E5%8C%BA%EF%BC%8C%E5%B9%BF%E4%B8%9C%E7%9C%81|ELT=4|&HS=1; _RwBf=r&r&r&r&r=0&ilt=10&ihpd=5&ispd=3&rc=12&rb=0&rg=200&pc=12&mtu=0&rbb=0&clo=0&v=8&l=2026-03-15T07:00:00.0000000Z&lft=0001-01-01T00:00:00.0000000&aof=0&ard=0001-01-01T00:00:00.0000000&rwdbt=0&rwflt=0&rwaul2=0&g=&o=2&p=&c=&t=0&s=0001-01-01T00:00:00.0000000+00:00&ts=2026-03-15T14:03:35.7211444+00:00&rwred=0&wls=&wlb=&wle=&ccp=&cpt=&lka=0&lkt=0&aad=0&TH=&cid=0&gb=; SRCHUSR=DOB&DS&DS&DS&DS&DS=1&DOB=20260315; _EDGE_S=SID=357AA105805E678827ACB618817066E6; _SS=SID=357AA105805E678827ACB618817066E6; _HPVN=CS=eyJQbiI6eyJDbiI6MSwiU3QiOjAsIlFzIjowLCJQcm9kIjoiUCJ9LCJTYyI6eyJDbiI6MSwiU3QiOjAsIlFzIjowLCJQcm9kIjoiSCJ9LCJReiI6eyJDbiI6MSwiU3QiOjAsIlFzIjowLCJQcm9kIjoiVCJ9LCJBcCI6dHJ1ZSwiTXV0ZSI6dHJ1ZSwiTGFkIjoiMjAyNi0wMy0xNVQwMDowMDowMFoiLCJJb3RkIjowLCJHd2IiOjAsIlRucyI6MCwiRGZ0IjpudWxsLCJNdnMiOjAsIkZsdCI6MCwiSW1wIjozMCwiVG9ibiI6MH0=; SRCHHPGUSR=SRCHLANG&SRCHLANG&SRCHLANG&SRCHLANG&SRCHLANG&SRCHLANG&SRCHLANG&SRCHLANG&SRCHLANG&V&SRCHLANG&SRCHLANG&SRCHLANG&V&SRCHLANG&SRCHLANG=zh-Hans&PREFCOL=0&BRW=NOTP&BRH=M&CW=150&CH=769&SCW=150&SCH=769&DPR=1.0&UTC=480&HV=1773588648&HVE=CfDJ8HAK7eZCYw5BifHFeUHnkJGC6_lT8f9GeruXx8zjPXuk-5GHkofYMoFErMkT8CTKKKsSt5O2HyGmjLyCEXbEREUmwCd8ZBlYMLSDZu1wZ-EI1LDuyIiI1tkP6Usyicm601qX3aJVYqVWUBn-t6h0ZWLiftm4aS627xFj1fE5PD-85i7BWTkhqG0uvaYzuSgB2A&BZA=0&PRVCW=150&PRVCH=769&B=0&EXLTT=7&V=CfDJ8HAK7eZCYw5BifHFeUHnkJGijeRjCoaCMaAnmznMvdEg2GXY8647Wb-7wnHNpePKXRO6KRQ_0cQc-onivd35uV-p-4g0MB0V_Z1ZpW-QSJe9zbPUG-Ks-kQMjzEl6GlLo6N0ciP51vkQdR-P-lCUH58&PR=1").unwrap();
        let mut res = [0; 3072];
        let url = Url::try_from("https://api.test.example.com:8222/web/user/uias_login.do?appCode=hbzwfw&gotoUrl=http%3A%2F%2Fzwfw.hubei.gov.cn%2Fwebview%2Fgrkj%2Fwelcome.html&p01=").unwrap();
        let mut encoder = Default::default();
        let sid = 0;
        let mut reader = header.as_h1_reader(HeaderParam {
            url: &url,
            encoder: &mut encoder,
            stream_identifier: &sid,
            body_len: 0,
            weight: &0,
            priority: &false,
        }, &ContentType::Null);
        let len = reader.read(&mut Writer::new(&mut res)).unwrap();
        assert_eq!(len, reader.len());
        assert!(reader.wrote());
        let raw = vec![
            "POST /web/user/uias_login.do?appCode=hbzwfw&gotoUrl=http%3A%2F%2Fzwfw.hubei.gov.cn%2Fwebview%2Fgrkj%2Fwelcome.html&p01= HTTP/1.1",
            "Host: api.test.example.com:8222",
            "Connection: keep-alive",
            "Cache-Control: no-cache",
            "sec-ch-ua: \"Not_A Brand\";v=\"8\", \"Chromium\";v=\"120\", \"Microsoft Edge\";v=\"120\"",
            "sec-ch-ua-mobile: ?0",
            "sec-ch-ua-platform: \"Windows\"",
            "Upgrade-Insecure-Requests: 1",
            "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 Edg/120.0.0.0",
            "Accept: */*",
            "Sec-Fetch-Site: none",
            "Sec-Fetch-Mode: navigate",
            "Sec-Fetch-User: ?1",
            "Sec-Fetch-Dest: document",
            "Accept-Encoding: gzip,deflate,br,zstd",
            "Accept-Language: zh-CN,zh;q=0.9",
            "Cookie: _EDGE_V=1; MUIDB=184C10AD397866DF1A1607B038566708; MUID=184C10AD397866DF1A1607B038566708; _UR=QS=0&TQS=0&Pn=0; BFBUSR=BFBHP=0; MUIDB=184C10AD397866DF1A1607B038566708; SRCHD=AF,AF,AF,AF,AF,AF,AF,AF,AF,AF,AF,AF,AF,AF,AF&AF=NOFORM; SRCHUID=V=2&GUID=EB7B9E5DE58F4D5690F6904732C24C7B&dmnchg=1; USRLOC=HS&ELOC=LAT=23.384721755981445|LON=113.44195556640625|N=%E7%99%BD%E4%BA%91%E5%8C%BA%EF%BC%8C%E5%B9%BF%E4%B8%9C%E7%9C%81|ELT=4|&HS=1; _RwBf=r&r&r&r&r=0&ilt=10&ihpd=5&ispd=3&rc=12&rb=0&rg=200&pc=12&mtu=0&rbb=0&clo=0&v=8&l=2026-03-15T07:00:00.0000000Z&lft=0001-01-01T00:00:00.0000000&aof=0&ard=0001-01-01T00:00:00.0000000&rwdbt=0&rwflt=0&rwaul2=0&g=&o=2&p=&c=&t=0&s=0001-01-01T00:00:00.0000000+00:00&ts=2026-03-15T14:03:35.7211444+00:00&rwred=0&wls=&wlb=&wle=&ccp=&cpt=&lka=0&lkt=0&aad=0&TH=&cid=0&gb=; SRCHUSR=DOB&DS&DS&DS&DS&DS=1&DOB=20260315; _EDGE_S=SID=357AA105805E678827ACB618817066E6; _SS=SID=357AA105805E678827ACB618817066E6; _HPVN=CS=eyJQbiI6eyJDbiI6MSwiU3QiOjAsIlFzIjowLCJQcm9kIjoiUCJ9LCJTYyI6eyJDbiI6MSwiU3QiOjAsIlFzIjowLCJQcm9kIjoiSCJ9LCJReiI6eyJDbiI6MSwiU3QiOjAsIlFzIjowLCJQcm9kIjoiVCJ9LCJBcCI6dHJ1ZSwiTXV0ZSI6dHJ1ZSwiTGFkIjoiMjAyNi0wMy0xNVQwMDowMDowMFoiLCJJb3RkIjowLCJHd2IiOjAsIlRucyI6MCwiRGZ0IjpudWxsLCJNdnMiOjAsIkZsdCI6MCwiSW1wIjozMCwiVG9ibiI6MH0=; SRCHHPGUSR=SRCHLANG&SRCHLANG&SRCHLANG&SRCHLANG&SRCHLANG&SRCHLANG&SRCHLANG&SRCHLANG&SRCHLANG&V&SRCHLANG&SRCHLANG&SRCHLANG&V&SRCHLANG&SRCHLANG=zh-Hans&PREFCOL=0&BRW=NOTP&BRH=M&CW=150&CH=769&SCW=150&SCH=769&DPR=1.0&UTC=480&HV=1773588648&HVE=CfDJ8HAK7eZCYw5BifHFeUHnkJGC6_lT8f9GeruXx8zjPXuk-5GHkofYMoFErMkT8CTKKKsSt5O2HyGmjLyCEXbEREUmwCd8ZBlYMLSDZu1wZ-EI1LDuyIiI1tkP6Usyicm601qX3aJVYqVWUBn-t6h0ZWLiftm4aS627xFj1fE5PD-85i7BWTkhqG0uvaYzuSgB2A&BZA=0&PRVCW=150&PRVCH=769&B=0&EXLTT=7&V=CfDJ8HAK7eZCYw5BifHFeUHnkJGijeRjCoaCMaAnmznMvdEg2GXY8647Wb-7wnHNpePKXRO6KRQ_0cQc-onivd35uV-p-4g0MB0V_Z1ZpW-QSJe9zbPUG-Ks-kQMjzEl6GlLo6N0ciP51vkQdR-P-lCUH58&PR=1",
            "",
            ""
        ].join("\r\n");
        let res = String::from_utf8(res[..len].to_vec()).unwrap();
        assert_eq!(raw, res);
    }
}