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mod string_tools {
pub fn get_all_before_strict<'a>(text: &'a str, begin: &str) -> Option<&'a str> {
let begin = text.find(begin)?;
Some(&text[..begin])
}
pub fn get_all_after_strict<'a>(text: &'a str, end: &str) -> Option<&'a str> {
let end = text.find(end)? + end.len();
Some(&text[end..])
}
pub fn get_all_between_strict<'a>(text: &'a str, begin: &str, end: &str) -> Option<&'a str> {
let text = get_all_after_strict(text, begin)?;
let text = get_all_before_strict(text, end)?;
Some(text)
}
pub fn get_all_before<'a>(text: &'a str, begin: &str) -> &'a str {
let begin = text.find(begin).unwrap_or(text.len());
&text[..begin]
}
pub fn get_all_after<'a>(text: &'a str, end: &str) -> &'a str {
if let Some(mut end_index) = text.find(end) {
end_index += end.len();
return &text[end_index..];
} else {
return "";
}
}
pub fn get_all_between<'a>(text: &'a str, begin: &str, end: &str) -> &'a str {
let text = get_all_after(text, begin);
let text = get_all_before(text, end);
text
}
pub fn get_url(url: &str) -> &str {
let mut i = 0;
for c in url.chars() {
if !c.is_ascii_alphanumeric() {
if c != '-' && c != '/' && c != '_' {
break;
}
}
i += 1;
}
&url[..i]
}
#[test]
fn string_tools_test() {
assert_eq!("/search", get_url("/search?q=\"gleam.io\"&tbs=qdr:h&filter=0&start={}"));
assert_eq!("/competition/something-wtf-giveaway", get_url("/competition/something-wtf-giveaway and more"));
assert_eq!(Some("test"), get_all_before_strict("testlol", "lol"));
assert_eq!(Some("test"), get_all_before_strict("testloltestlol", "lol"));
assert_eq!(Some("lol"), get_all_after_strict("testlol", "test"));
assert_eq!(Some("testlol"), get_all_after_strict("testloltestlol", "lol"));
assert_eq!(Some("str3str4"), get_all_between_strict("str1str2str3str4str5", "str2", "str5"));
assert_eq!(Some("str3str4"), get_all_between_strict("str5str1str2str3str4str5str2str3str5", "str2", "str5"));
assert_eq!(None, get_all_before_strict("str1str2", "str3"));
assert_eq!("str1str2", get_all_before("str1str2", "str3"));
assert_eq!(None, get_all_after_strict("str1str2", "str3"));
assert_eq!("", get_all_after("str1str2", "str3"));
assert_eq!("str2str3", get_all_between("str1str2str3str4", "str1", "str4"));
assert_eq!("", get_all_between("str1str2str3str4", "str0", "str4"));
assert_eq!("str2str3str4", get_all_between("str1str2str3str4", "str1", "str6"));
}
}
pub mod google {
use crate::string_tools::*;
fn get_full_url(page: usize) -> String {
format!(
"https://www.google.com/search?q=\"gleam.io\"&tbs=qdr:h&filter=0&start={}",
page * 10
)
}
pub fn search(page: usize) -> Vec<String> {
if let Ok(response) = minreq::get(get_full_url(page))
.with_header("Accept", "text/plain")
.with_header("Host", "www.google.com")
.with_header(
"User-Agent",
"Mozilla/5.0 (X11; Linux x86_64; rv:71.0) Gecko/20100101 Firefox/71.0",
)
.send()
{
let mut body = response.body.as_str();
let mut rep = Vec::new();
while let Some(url) = get_all_between_strict(body, "\"r\"><a href=\"", "\" onmousedown=\"return rwt(") {
rep.push(url.to_string());
body = get_all_after(body, url);
}
rep
} else {
eprintln!(
"Warning: can't get response from google for {}",
get_full_url(page)
);
Vec::new()
}
}
#[test]
fn get_full_url_test() {
assert_eq!(
"https://www.google.com/search?q=\"gleam.io\"&tbs=qdr:h&filter=0&start=10",
get_full_url(1)
);
}
#[test]
fn resolve_google_request() {
let result = search(0);
assert!(result.len() > 0);
}
}
pub mod intermediary {
use crate::string_tools::*;
pub fn resolve(url: &str) -> Vec<String> {
if let Ok(response) = minreq::get(url)
.with_header("Accept", "text/plain")
.with_header(
"User-Agent",
"Mozilla/5.0 (X11; Linux x86_64; rv:71.0) Gecko/20100101 Firefox/71.0",
)
.send()
{
let mut body: &str = &response.body;
let mut rep = Vec::new();
while get_all_after(&body, "https://gleam.io/") != "" {
let url = get_url(get_all_after(&body, "https://gleam.io/"));
body = get_all_after(&body, &url);
let url = if url.len() >= 20 {
format!("https://gleam.io/{}", &url[..20])
} else {
format!("https://gleam.io/{}", url)
};
if !rep.contains(&url) {
rep.push(url);
}
}
rep
} else {
eprintln!(
"Warning: can't get response for {}",
url
);
Vec::new()
}
}
#[test]
fn intermediary_test() {
assert_eq!(resolve("https://www.twipu.com/mexx_wolf"), vec![String::from("https://gleam.io/uaZLe/el-mayor-sorte")]);
assert_eq!(resolve("https://www.youtube.com/watch?v=jNPVOQAMJIo"), vec![String::from("https://gleam.io/cjpOw/sorteo-pokmon-"), String::from("https://gleam.io/89Kme/sorteo-de-pokm")]);
}
}
pub mod gleam {
}