2020-06-24 09:16:40 +02:00
|
|
|
use base64;
|
2021-03-11 23:44:02 +01:00
|
|
|
use url::{form_urlencoded, Url};
|
2020-06-24 09:16:40 +02:00
|
|
|
|
|
|
|
use crate::utils::detect_media_type;
|
|
|
|
|
2021-03-11 23:44:02 +01:00
|
|
|
pub fn clean_url(url: Url) -> Url {
|
|
|
|
let mut url = url.clone();
|
2020-06-24 09:16:40 +02:00
|
|
|
|
2021-03-11 23:44:02 +01:00
|
|
|
// Clear fragment (if any)
|
2020-06-24 09:16:40 +02:00
|
|
|
url.set_fragment(None);
|
|
|
|
|
2021-03-11 23:44:02 +01:00
|
|
|
url
|
2020-06-24 09:16:40 +02:00
|
|
|
}
|
|
|
|
|
2021-03-11 23:44:02 +01:00
|
|
|
pub fn data_to_data_url(media_type: &str, data: &[u8], final_asset_url: &Url) -> Url {
|
2020-06-24 09:16:40 +02:00
|
|
|
let media_type: String = if media_type.is_empty() {
|
2021-03-11 23:44:02 +01:00
|
|
|
detect_media_type(data, &final_asset_url)
|
2020-06-24 09:16:40 +02:00
|
|
|
} else {
|
|
|
|
media_type.to_string()
|
|
|
|
};
|
|
|
|
|
2021-03-11 23:44:02 +01:00
|
|
|
let mut data_url: Url = Url::parse("data:,").unwrap();
|
2020-06-24 09:16:40 +02:00
|
|
|
|
2021-03-11 23:44:02 +01:00
|
|
|
data_url.set_path(format!("{};base64,{}", media_type, base64::encode(data)).as_str());
|
2020-06-24 09:16:40 +02:00
|
|
|
|
2021-03-11 23:44:02 +01:00
|
|
|
data_url
|
2020-06-24 09:16:40 +02:00
|
|
|
}
|
|
|
|
|
2021-03-11 23:44:02 +01:00
|
|
|
pub fn is_url_and_has_protocol(input: &str) -> bool {
|
|
|
|
match Url::parse(&input) {
|
|
|
|
Ok(parsed_url) => {
|
|
|
|
return parsed_url.scheme().len() > 0;
|
|
|
|
}
|
|
|
|
Err(_) => {
|
|
|
|
return false;
|
|
|
|
}
|
2020-06-24 09:16:40 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-03-11 23:44:02 +01:00
|
|
|
pub fn parse_data_url(url: &Url) -> (String, Vec<u8>) {
|
|
|
|
let path: String = url.path().to_string();
|
2020-11-23 06:12:26 +01:00
|
|
|
let comma_loc: usize = path.find(',').unwrap_or(path.len());
|
|
|
|
|
|
|
|
let meta_data: String = path.chars().take(comma_loc).collect();
|
|
|
|
let raw_data: String = path.chars().skip(comma_loc + 1).collect();
|
|
|
|
|
2021-03-11 23:44:02 +01:00
|
|
|
let text: String = percent_decode(raw_data);
|
2020-11-23 06:12:26 +01:00
|
|
|
|
|
|
|
let meta_data_items: Vec<&str> = meta_data.split(';').collect();
|
|
|
|
let mut media_type: String = str!();
|
|
|
|
let mut encoding: &str = "";
|
|
|
|
|
|
|
|
let mut i: i8 = 0;
|
|
|
|
for item in &meta_data_items {
|
|
|
|
if i == 0 {
|
|
|
|
media_type = str!(item);
|
|
|
|
} else {
|
|
|
|
if item.eq_ignore_ascii_case("base64")
|
|
|
|
|| item.eq_ignore_ascii_case("utf8")
|
|
|
|
|| item.eq_ignore_ascii_case("charset=UTF-8")
|
|
|
|
{
|
|
|
|
encoding = item;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
i = i + 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
let data: Vec<u8> = if encoding.eq_ignore_ascii_case("base64") {
|
|
|
|
base64::decode(&text).unwrap_or(vec![])
|
|
|
|
} else {
|
|
|
|
text.as_bytes().to_vec()
|
|
|
|
};
|
|
|
|
|
|
|
|
(media_type, data)
|
|
|
|
}
|
|
|
|
|
2021-03-11 23:44:02 +01:00
|
|
|
pub fn percent_decode(input: String) -> String {
|
|
|
|
let input: String = input.replace("+", "%2B");
|
2020-06-24 09:16:40 +02:00
|
|
|
|
2021-03-11 23:44:02 +01:00
|
|
|
form_urlencoded::parse(input.as_bytes())
|
|
|
|
.map(|(key, val)| {
|
|
|
|
[
|
|
|
|
key.to_string(),
|
|
|
|
if val.to_string().len() == 0 {
|
|
|
|
str!()
|
|
|
|
} else {
|
|
|
|
str!('=')
|
|
|
|
},
|
|
|
|
val.to_string(),
|
|
|
|
]
|
|
|
|
.concat()
|
|
|
|
})
|
|
|
|
.collect()
|
2020-06-24 09:16:40 +02:00
|
|
|
}
|
|
|
|
|
2021-03-11 23:44:02 +01:00
|
|
|
pub fn percent_encode(input: String) -> String {
|
|
|
|
form_urlencoded::byte_serialize(input.as_bytes()).collect()
|
|
|
|
}
|
2020-06-24 09:16:40 +02:00
|
|
|
|
2021-03-11 23:44:02 +01:00
|
|
|
pub fn resolve_url(from: &Url, to: &str) -> Url {
|
|
|
|
match Url::parse(&to) {
|
|
|
|
Ok(parsed_url) => parsed_url,
|
|
|
|
Err(_) => match from.join(to) {
|
|
|
|
Ok(joined) => joined,
|
|
|
|
Err(_) => Url::parse("data:,").unwrap(),
|
|
|
|
},
|
2020-06-24 09:16:40 +02:00
|
|
|
}
|
|
|
|
}
|