br_reqwest/
lib.rs

1use json::{array, object, JsonValue};
2use log::debug;
3use std::collections::HashMap;
4use std::fmt::Debug;
5use std::{env, fs, str};
6use std::io::Write;
7use std::path::Path;
8use std::process::Command;
9use std::str::Lines;
10use xmltree::Element;
11
12pub struct Client {
13    pub url: String,
14    debug: bool,
15    method: Method,
16    header: HashMap<String, String>,
17    body_data: JsonValue,
18    content_type: ContentType,
19}
20impl Default for Client {
21    fn default() -> Self {
22        Self::new()
23    }
24}
25
26impl Client {
27    pub fn new() -> Self {
28        Self {
29            url: "".to_string(),
30            debug: false,
31            method: Method::NONE,
32            header: Default::default(),
33            body_data: object! {},
34            content_type: ContentType::Text,
35        }
36    }
37    pub fn debug(&mut self) {
38        self.debug = true;
39    }
40    pub fn post(&mut self, url: &str) -> &mut Self {
41        self.url = url.to_string();
42        self.method = Method::POST;
43        self
44    }
45    pub fn get(&mut self, url: &str) -> &mut Self {
46        self.url = url.to_string();
47        self.method = Method::GET;
48        self
49    }
50    pub fn put(&mut self, url: &str) -> &mut Self {
51        self.url = url.to_string();
52        self.method = Method::PUT;
53        self
54    }
55    pub fn patch(&mut self, url: &str) -> &mut Self {
56        self.url = url.to_string();
57        self.method = Method::PATCH;
58        self
59    }
60    pub fn delete(&mut self, url: &str) -> &mut Self {
61        self.url = url.to_string();
62        self.method = Method::DELETE;
63        self
64    }
65    pub fn head(&mut self, url: &str) -> &mut Self {
66        self.url = url.to_string();
67        self.method = Method::HEAD;
68        self
69    }
70    pub fn trace(&mut self, url: &str) -> &mut Self {
71        self.url = url.to_string();
72        self.method = Method::TRACE;
73        self
74    }
75    pub fn header(&mut self, key: &str, value: &str) -> &mut Self {
76        self.header.insert(key.to_string(), value.to_string());
77        self
78    }
79
80    pub fn query(&mut self, params: JsonValue) -> &mut Self {
81        let mut txt = vec![];
82        for (key, value) in params.entries() {
83            txt.push(format!("{}={}", key, value));
84        }
85        if self.url.contains('?') {
86            if !txt.is_empty() {
87                self.url = format!("{}&{}", self.url, txt.join("&"));
88            }
89        } else if !txt.is_empty() {
90            self.url = format!("{}?{}", self.url, txt.join("&"));
91        }
92        self
93    }
94
95
96    /// JSON请求
97    pub fn raw_json(&mut self, data: JsonValue) -> &mut Self {
98        self.header("Content-Type", ContentType::Json.str().as_str());
99        self.content_type = ContentType::Json;
100        self.body_data = data;
101        self
102    }
103    pub fn raw_xml(&mut self, data: JsonValue) -> &mut Self {
104        self.header("Content-Type", ContentType::Xml.str().as_str());
105        self.content_type = ContentType::Xml;
106        self.body_data = data;
107        self
108    }
109    pub fn raw_stream(&mut self, data: Vec<u8>, content_type: &str) -> &mut Self {
110        self.header("Content-Type", content_type);
111        self.content_type = ContentType::Stream;
112        self.body_data = data.into();
113        self
114    }
115    /// FormData请求
116    pub fn form_data(&mut self, data: JsonValue) -> &mut Self {
117        self.header("Content-Type", ContentType::FormData.str().as_str());
118        self.content_type = ContentType::FormData;
119        self.body_data = data;
120        self
121    }
122    /// FormData请求
123    pub fn form_urlencoded(&mut self, data: JsonValue) -> &mut Self {
124        self.header("Content-Type", ContentType::FormUrlencoded.str().as_str());
125        self.content_type = ContentType::FormUrlencoded;
126        self.body_data = data;
127        self
128    }
129    pub fn send(&mut self) -> Result<Response, String> {
130        let mut output = Command::new("curl");
131        output.arg("-i");
132
133        output.arg("-X");
134        output.arg(self.method.to_str().to_uppercase());
135
136        output.arg(self.url.as_str());
137        if !self.header.is_empty() {
138            for (key, value) in self.header.iter() {
139                output.arg("-H");
140                output.arg(format!("{}: {}", key, value));
141            }
142        }
143
144        match self.content_type {
145            ContentType::FormData => {
146                for (_, value) in self.body_data.entries() {
147                    output.arg("-F");
148                    if value[2].is_empty() {
149                        output.arg(format!("{}={}", value[0], value[1]));
150                    } else {
151                        output.arg(format!("{}={};{}", value[0], value[1], value[2]));
152                    }
153                }
154            }
155            ContentType::FormUrlencoded => {
156                output.arg("-d");
157                let mut d = vec![];
158                for (key, value) in self.body_data.entries() {
159                    d.push(format!("{}={}", key, value))
160                }
161                output.arg(d.join("&"));
162            }
163            ContentType::Json | ContentType::Xml => {
164                output.arg("-d");
165                output.arg(format!("{}", self.body_data));
166            }
167            ContentType::Javascript => {}
168            ContentType::Text => {}
169            ContentType::Html => {}
170            ContentType::Other(_) => {}
171            ContentType::Stream => {
172                output.arg("-F");
173                output.arg(format!("file={}", self.body_data));
174                //output.arg("-H");
175                //output.arg("Transfer-Encoding: chunked");
176                //output.arg("--data-binary");
177                //output.arg(format!("{}", self.body_data));
178            }
179        }
180
181        if self.debug {
182            println!("{}", self.url);
183            println!("{:?}", output);
184        }
185        let req = match output.output() {
186            Ok(e) => e,
187            Err(e) => {
188                return Err(e.to_string());
189            }
190        };
191
192        if req.status.success() {
193            let body = req.stdout.clone();
194            if self.debug {
195                let text = String::from_utf8_lossy(&req.stdout);
196                println!("响应内容:\n{}", text);
197            }
198            Ok(Response::new(self.debug, body)?)
199        } else {
200            let err = String::from_utf8_lossy(&req.stderr).to_string();
201            let txt = match err.find("ms:") {
202                None => err,
203                Some(e) => {
204                    err[e + 3..].trim().to_string()
205                }
206            };
207            Err(txt)
208        }
209    }
210}
211
212
213#[derive(Debug)]
214pub struct Response {
215    debug: bool,
216    status: i32,
217    method: Method,
218    headers: JsonValue,
219    cookies: JsonValue,
220    /// 请求体
221    body: Body,
222}
223impl Response {
224    const CRLF2: [u8; 4] = [13, 10, 13, 10];
225
226    fn new(debug: bool, body: Vec<u8>) -> Result<Self, String> {
227        let mut that = Self {
228            debug,
229            status: 0,
230            method: Method::NONE,
231            headers: object! {},
232            cookies: object! {},
233            body: Default::default(),
234        };
235
236        let (header, body) = match body.windows(Self::CRLF2.len()).position(|window| window == Self::CRLF2) {
237            None => (vec![], vec![]),
238            Some(index) => {
239                let header = body[..index].to_vec();
240                let body = Vec::from(&body[index + Self::CRLF2.len()..]);
241                (header, body)
242            }
243        };
244
245
246        let text = String::from_utf8_lossy(header.as_slice());
247        let lines = text.lines();
248
249        that.get_request_line(lines.clone().next().unwrap())?;
250        // Header处理
251        that.get_header(lines.clone())?;
252
253        that.body.set_content(body);
254        Ok(that)
255    }
256
257    /// 获取请求行信息
258    fn get_request_line(&mut self, line: &str) -> Result<(), String> {
259        let lines = line.split_whitespace().collect::<Vec<&str>>();
260        if lines.len() < 2 {
261            return Err("请求行错误".to_string());
262        }
263        self.method = Method::from(lines[0]);
264        self.status = lines[1].parse::<i32>().unwrap();
265        Ok(())
266    }
267    /// Header处理
268    fn get_header(&mut self, data: Lines) -> Result<(), String> {
269        let mut header = object! {};
270        let mut cookie = object! {};
271        let mut body = Body::default();
272
273        for text in data {
274            let (key, value) = match text.trim().find(":") {
275                None => continue,
276                Some(e) => {
277                    let key = text[..e].trim().to_lowercase().clone();
278                    let value = text[e + 1..].trim().to_string();
279                    (key, value)
280                }
281            };
282            match key.as_str() {
283                "content-type" => match value {
284                    _ if value.contains("multipart/form-data") => {
285                        let boundarys = value.split("boundary=").collect::<Vec<&str>>();
286                        body.boundary = boundarys[1..].join("");
287                        body.content_type = ContentType::from("multipart/form-data");
288                        let _ = header.insert(key.as_str(), "multipart/form-data");
289                    }
290                    _ => {
291                        let value = match value.find(";") {
292                            None => value,
293                            Some(e) => value[..e].trim().to_string(),
294                        };
295                        body.content_type = ContentType::from(value.as_str());
296                        let _ = header.insert(key.as_str(), body.content_type.str());
297                    }
298                },
299                "content-length" => {
300                    body.content_length = value.to_string().parse::<usize>().unwrap_or(0);
301                }
302                "cookie" => {
303                    let _ = value.split(";").collect::<Vec<&str>>().iter().map(|&x| {
304                        match x.find("=") {
305                            None => {}
306                            Some(index) => {
307                                let key = x[..index].trim().to_string();
308                                let val = x[index + 1..].trim().to_string();
309                                let _ = cookie.insert(key.as_str(), val);
310                            }
311                        };
312                        ""
313                    }).collect::<Vec<&str>>();
314                }
315                _ => {
316                    if self.debug {
317                        debug!("header: {} = {}", key,value);
318                    }
319                    let _ = header.insert(key.as_str(), value);
320                }
321            };
322        }
323        self.headers = header.clone();
324        self.cookies = cookie.clone();
325        self.body = body.clone();
326        Ok(())
327    }
328    pub fn status(&self) -> i32 {
329        self.status
330    }
331    pub fn headers(&self) -> JsonValue {
332        self.headers.clone()
333    }
334    pub fn cookies(&self) -> JsonValue {
335        self.cookies.clone()
336    }
337    pub fn content_type(&self) -> String {
338        self.body.content_type.str().clone()
339    }
340    pub fn json(&self) -> Result<JsonValue, String> {
341        if self.body.content.is_empty() {
342            Ok(object! {})
343        } else {
344            match json::parse(self.body.content.to_string().as_str()) {
345                Ok(e) => Ok(e),
346                Err(e) => Err(e.to_string())
347            }
348        }
349    }
350    pub fn xml(&self) -> Result<JsonValue, String> {
351        if self.body.content.is_empty() {
352            Ok(object!{})
353        } else {
354            let elem = Element::parse(self.body.content.to_string().as_bytes()).unwrap();
355            let json = xml_element_to_json(&elem);
356            Ok(json)
357        }
358    }
359    pub fn body(&self) -> JsonValue {
360        self.body.content.clone()
361    }
362}
363fn xml_element_to_json(elem: &Element) -> JsonValue {
364    let mut obj = object! {};
365
366    for child in &elem.children {
367        if let xmltree::XMLNode::Element(e) = child {
368            obj[e.name.clone()] = xml_element_to_json(e);
369        }
370    }
371
372    match elem.get_text() {
373        None => obj,
374        Some(text) => JsonValue::from(text.to_string()),
375    }
376}
377
378#[derive(Clone, Debug)]
379pub enum Method {
380    GET,
381    POST,
382    OPTIONS,
383    PATCH,
384    HEAD,
385    DELETE,
386    TRACE,
387    PUT,
388    NONE,
389}
390
391impl Method {
392    pub fn to_str(&self) -> String {
393        match self {
394            Method::GET => "GET",
395            Method::POST => "POST",
396            Method::OPTIONS => "OPTIONS",
397            Method::PATCH => "PATCH",
398            Method::HEAD => "HEAD",
399            Method::DELETE => "DELETE",
400            Method::TRACE => "TRACE",
401            Method::PUT => "PUT",
402            Method::NONE => "NONE",
403        }.to_string()
404    }
405    pub fn from(name: &str) -> Self {
406        match name.to_lowercase().as_str() {
407            "post" => Self::POST,
408            "get" => Self::GET,
409            "head" => Self::HEAD,
410            "put" => Self::PUT,
411            "delete" => Self::DELETE,
412            "options" => Self::OPTIONS,
413            "patch" => Self::PATCH,
414            "trace" => Self::TRACE,
415            _ => Self::NONE,
416        }
417    }
418}
419#[derive(Clone, Debug)]
420pub enum Version {
421    Http09,
422    Http10,
423    Http11,
424    H2,
425    H3,
426    None,
427}
428
429impl Version {
430    pub fn str(&mut self) -> String {
431        match self {
432            Version::Http09 => "HTTP/0.9",
433            Version::Http10 => "HTTP/1.0",
434            Version::Http11 => "HTTP/1.1",
435            Version::H2 => "HTTP/2.0",
436            Version::H3 => "HTTP/3.0",
437            Version::None => "",
438        }.to_string()
439    }
440    pub fn from(name: &str) -> Version {
441        match name {
442            "HTTP/0.9" => Self::Http09,
443            "HTTP/1.0" => Self::Http10,
444            "HTTP/1.1" => Self::Http11,
445            "HTTP/2.0" => Self::H2,
446            "HTTP/3.0" => Self::H3,
447            _ => Self::None,
448        }
449    }
450    pub fn set_version(name: &str) -> Version {
451        match name {
452            "0.9" => Self::Http09,
453            "1.0" => Self::Http10,
454            "1.1" => Self::Http11,
455            "2.0" => Self::H2,
456            "3.0" => Self::H3,
457            _ => Self::None,
458        }
459    }
460}
461
462
463#[derive(Clone, Debug)]
464pub enum FormData {
465    /// KEY
466    /// value
467    /// 文本类型
468    Text(String, JsonValue, String),
469    /// 文件名
470    /// 文件路径
471    /// 文件类型
472    File(String, String, String),
473    None,
474}
475
476
477#[derive(Debug, Clone)]
478pub struct Body {
479    pub content_type: ContentType,
480    pub boundary: String,
481    pub content_length: usize,
482    pub content: JsonValue,
483}
484impl Body {
485    /// 解码
486    pub fn decode(input: &str) -> Result<String, String> {
487        let mut decoded = String::new();
488        let bytes = input.as_bytes();
489        let mut i = 0;
490
491        while i < bytes.len() {
492            if bytes[i] == b'%' {
493                if i + 2 >= bytes.len() {
494                    return Err("Incomplete percent-encoding".into());
495                }
496                let hex = &input[i + 1..i + 3];
497                match u8::from_str_radix(hex, 16) {
498                    Ok(byte) => decoded.push(byte as char),
499                    Err(_) => return Err(format!("Invalid percent-encoding: %{}", hex)),
500                }
501                i += 3;
502            } else if bytes[i] == b'+' {
503                decoded.push(' ');
504                i += 1;
505            } else {
506                decoded.push(bytes[i] as char);
507                i += 1;
508            }
509        }
510
511        Ok(decoded)
512    }
513    pub fn set_content(&mut self, data: Vec<u8>) {
514        match self.content_type.clone() {
515            ContentType::FormData => {
516                let mut fields = object! {};
517                let boundary_marker = format!("--{}", self.boundary);
518                let text = unsafe { String::from_utf8_unchecked(data) };
519                let parts = text.split(&boundary_marker).collect::<Vec<&str>>();
520                for part in parts {
521                    let part = part.trim();
522                    if part.is_empty() || part == "--" {
523                        continue; // 跳过无效部分
524                    }
525
526                    let mut headers_and_body = part.splitn(2, "\r\n\r\n");
527                    if let (Some(headers), Some(body)) = (headers_and_body.next(), headers_and_body.next())
528                    {
529                        // 解析头部，查找 Content-Disposition
530                        let headers = headers.split("\r\n");
531
532                        let mut field_name = "";
533                        let mut filename = "";
534                        let mut content_type = ContentType::Text;
535
536                        for header in headers {
537                            if header.to_lowercase().starts_with("content-disposition:") {
538                                match header.find("filename=\"") {
539                                    None => {}
540                                    Some(filename_start) => {
541                                        let filename_len = filename_start + 10;
542                                        let filename_end = header[filename_len..].find('"').unwrap() + filename_len;
543                                        filename = &header[filename_len..filename_end];
544                                    }
545                                }
546
547                                match header.find("name=\"") {
548                                    None => {}
549                                    Some(name_start) => {
550                                        let name_start = name_start + 6;
551                                        let name_end = header[name_start..].find('"').unwrap() + name_start;
552                                        field_name = &header[name_start..name_end];
553                                    }
554                                }
555                            }
556                            if header.to_lowercase().starts_with("content-type:") {
557                                content_type = ContentType::from(
558                                    header.to_lowercase().trim_start_matches("content-type:").trim(),
559                                );
560                            }
561                        }
562
563                        if filename.is_empty() {
564                            fields[field_name.to_string()] = JsonValue::from(body);
565                        } else {
566                            // 获取系统临时目录
567                            let mut temp_dir = env::temp_dir();
568                            // 构造临时文件的完整路径
569                            temp_dir.push(filename);
570                            // 打开（创建）临时文件
571                            let mut temp_file = match fs::File::create(&temp_dir) {
572                                Ok(e) => e,
573                                Err(_) => continue,
574                            };
575                            if temp_file.write(body.as_bytes()).is_ok() {
576                                if fields[field_name.to_string()].is_empty() {
577                                    fields[field_name.to_string()] = array![]
578                                }
579
580                                let extension = Path::new(filename).extension() // 可能返回 None
581                                                                   .and_then(|ext| ext.to_str()); // 转换为 &str
582
583                                let suffix = extension.unwrap_or("txt");
584
585                                fields[field_name.to_string()].push(object! {
586                                        //id:sha_256(body.as_bytes().to_vec()),
587                                        name:filename,
588                                        suffix:suffix,
589                                        size:body.len(),
590                                        "type":content_type.str(),
591                                        file:temp_dir.to_str()
592                                    }).unwrap();
593                            };
594                        }
595                    }
596                }
597                self.content = fields;
598            }
599            ContentType::FormUrlencoded => {
600                let text = unsafe { String::from_utf8_unchecked(data) };
601                let params = text.split("&").collect::<Vec<&str>>();
602                let mut list = object! {};
603                for param in params.iter() {
604                    let t = param.split("=").collect::<Vec<&str>>().iter().map(|&x| Body::decode(x).unwrap_or(x.to_string())).collect::<Vec<String>>();
605                    list[t[0].to_string()] = t[1].clone().into();
606                }
607                self.content = list;
608            }
609            ContentType::Json => {
610                let text = unsafe { String::from_utf8_unchecked(data) };
611                self.content = json::parse(text.as_str()).unwrap_or(object! {});
612            }
613            ContentType::Xml => {
614                let text = unsafe { String::from_utf8_unchecked(data) };
615                self.content = text.into();
616            }
617            ContentType::Html | ContentType::Text | ContentType::Javascript => {
618                let text = unsafe { String::from_utf8_unchecked(data) };
619                self.content = text.into();
620            }
621            ContentType::Other(name) => match name.as_str() {
622                "application/pdf" => {
623                    let text = unsafe { String::from_utf8_unchecked(data) };
624                    self.content = text.into();
625                }
626                _ => {
627                    let text = unsafe { String::from_utf8_unchecked(data) };
628                    self.content = text.into();
629                }
630            },
631            ContentType::Stream => {}
632        }
633    }
634}
635
636impl Default for Body {
637    fn default() -> Self {
638        Self {
639            content_type: ContentType::Other("text/plain".to_string()),
640            boundary: "".to_string(),
641            content_length: 0,
642            content: object! {},
643        }
644    }
645}
646
647/// 内容类型
648#[derive(Debug, Clone)]
649pub enum ContentType {
650    FormData,
651    FormUrlencoded,
652    Json,
653    Xml,
654    Javascript,
655    Text,
656    Html,
657    Stream,
658    Other(String),
659}
660impl ContentType {
661    pub fn from(name: &str) -> Self {
662        match name {
663            "multipart/form-data" => Self::FormData,
664            "application/x-www-form-urlencoded" => Self::FormUrlencoded,
665            "application/json" => Self::Json,
666            "application/xml" | "text/xml" => Self::Xml,
667            "application/javascript" => Self::Javascript,
668            "text/html" => Self::Html,
669            "text/plain" => Self::Text,
670            "application/octet-stream" => Self::Stream,
671            _ => Self::Other(name.to_string()),
672        }
673    }
674    pub fn str(&self) -> String {
675        match self {
676            Self::FormData => "multipart/form-data",
677            Self::FormUrlencoded => "application/x-www-form-urlencoded",
678            Self::Json => "application/json",
679            Self::Xml => "application/xml",
680            Self::Javascript => "application/javascript",
681            Self::Text => "text/plain",
682            Self::Html => "text/html",
683            Self::Other(name) => name,
684            Self::Stream => "application/octet-stream",
685        }.to_string()
686    }
687}
br_reqwest/lib.rs

br_reqwest/
lib.rs
