Support postimg.org albums; move to Cloudinary

Cargo.toml

@@ -4,9 +4,12 @@ name = "wynnautocrop"
 version = "0.1.0"
 
 [dependencies]
+base64 = "0.9.0"
 image = "0.18.0"
-imgur = "0.7.0"
 palette = "0.2.1"
+regex = "0.2.5"
 reqwest = "0.8.2"
 rocket = "0.3.5"
 rocket_codegen = "0.3.5"
+serde_json = "1.0.9"
+

src/bin/server.rs

@@ -4,15 +4,25 @@
 extern crate rocket;
 
 extern crate reqwest;
+use reqwest::{Client, ClientBuilder};
+use reqwest::header;
+
+extern crate regex;
+use regex::Regex;
+
+extern crate serde_json;
 
 extern crate image;
 use image::ImageFormat;
 
-extern crate imgur;
+extern crate base64;
+
+//extern crate imgur;
 
 extern crate wynnautocrop;
 use wynnautocrop::*;
 
+use std::collections::HashMap;
 use std::io::{Cursor, Read};
 
 #[derive(FromForm)]
@@ -23,14 +33,81 @@ struct UrlForm {
 #[get("/crop?<url>")]
 fn crop_url(url: UrlForm) -> String {
 	let url = url.url;
-	let mut buf = Vec::new();
-	reqwest::get(&url).unwrap().read_to_end(&mut buf).unwrap();
-	let mut img = image::load(Cursor::new(&*buf), image::guess_format(&buf).unwrap()).unwrap();
-	img = crop(img);
-	let mut buf = Vec::new();
-	img.save(&mut buf, ImageFormat::PNG).unwrap();
-	let handle = imgur::Handle::new("c819d6faf0219ac".to_owned());
-	handle.upload(&buf).unwrap().link().unwrap().to_owned()
+	if url.starts_with("https://postimg.org/gallery/") {
+		postimg_gallery(url)
+	} else {
+		let mut buf = Vec::new();
+		reqwest::get(&url).unwrap().read_to_end(&mut buf).unwrap();
+		let mut img = image::load(Cursor::new(&*buf), image::guess_format(&buf).unwrap()).unwrap();
+		img = crop(img);
+		let mut buf = Vec::new();
+		img.save(&mut buf, ImageFormat::PNG).unwrap();
+		//let handle = imgur::Handle::new("c819d6faf0219ac".to_owned());
+		//handle.upload(&buf).unwrap().link().unwrap().to_owned()
+		upload_image(&Client::new(), &buf)
+	}
+}
+
+fn postimg_gallery(url: String) -> String {
+	let html = reqwest::get(&url).unwrap().text().unwrap();
+	let regex = Regex::new(r"embed_value=(\{.+\});").unwrap();
+	let regex2 = Regex::new(r#"href="(.*\?dl=1)""#).unwrap();
+	let json = regex.captures(&html).unwrap().get(1).unwrap().as_str();
+	let data: serde_json::Value = serde_json::from_str(json).unwrap();
+	let mut acc = String::new();
+	let mut headers = header::Headers::new();
+	headers.set(header::UserAgent::new("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36".to_string()));
+	let client = ClientBuilder::new()
+		.default_headers(headers)
+		.build().unwrap();
+	//let handle = imgur::Handle::new("c819d6faf0219ac".to_owned());
+	for key in data.as_object().unwrap().keys() {
+		let url = format!("https://postimg.org/image/{}/", key);
+		println!("getting {:?}", url);
+		let html = reqwest::get(&url).unwrap().text().unwrap();
+		let url = regex2.captures(&html).unwrap().get(1).unwrap().as_str();
+		println!("getting {:?}", url);
+
+		let mut buf = Vec::new();
+		loop {
+			if let Ok(mut res) = client.get(url).send() {
+				if let Ok(_) = res.read_to_end(&mut buf) {
+					if let Ok(format) = image::guess_format(&buf) {
+						if let Ok(mut img) = image::load(Cursor::new(&*buf), format) {
+							img = crop(img);
+							let mut buf = Vec::new();
+							img.save(&mut buf, ImageFormat::PNG).unwrap();
+							//let upload = handle.upload(&buf).unwrap();						
+							//println!("uploaded to {:?}", upload.link());
+							//acc += upload.link().unwrap();
+							let url = upload_image(&client, &buf);
+							println!("uploaded to {:?}", url);
+							acc += &url;
+							acc += " ";
+							break;
+						}
+					}	
+				}
+			}
+			buf = Vec::new();
+			println!("retrying..");
+		}
+	}
+	acc
+}
+
+fn upload_image(client: &Client, buf: &[u8]) -> String {
+	let mut file = "data:image/png;base64,".to_owned();
+	let mut params = HashMap::new();
+	params.insert("upload_preset", "unsigned_upload");
+	let base64 = base64::encode(&buf);
+	file.push_str(&base64);
+	params.insert("file", &file);
+	let json = client.post("https://api.cloudinary.com/v1_1/wynnbotcrop1/upload")
+		.form(&params)
+		.send().unwrap().text().unwrap();
+	let data: serde_json::Value = serde_json::from_str(&json).unwrap();
+	data.as_object().unwrap().get("secure_url").unwrap().as_str().unwrap().to_owned()
 }
 
 fn main() {