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fix (proxy-parser): ws-headers with multiple keys are not correctly handled when parsing Surge proxies

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closes #120
This commit is contained in:
Peng-YM
2022-06-24 18:01:25 +08:00
parent 730986fed4
commit 305ae480bc
6 changed files with 28 additions and 16 deletions
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12
backend/src/core/proxy-utils/parsers/peggy/surge.js
View File

@@ -24,7 +24,7 @@ const grammars = String.raw`
if (obfs.type === "ws") {
proxy.network = "ws";
$set(proxy, "ws-opts.path", obfs.path);
$set(proxy, "ws-opts.headers.Host", obfs.host);
$set(proxy, "ws-opts.headers", obfs['ws-headers']);
}
}
}
@@ -158,8 +158,14 @@ method = comma "encrypt-method" equals cipher:cipher {
cipher = ("aes-128-gcm"/"aes-192-gcm"/"aes-256-gcm"/"aes-128-cfb"/"aes-192-cfb"/"aes-256-cfb"/"aes-128-ctr"/"aes-192-ctr"/"aes-256-ctr"/"rc4-md5"/"chacha20-ietf-poly1305"/"chacha20-ietf"/"chacha20-poly1305"/"chacha20"/"none");
ws = comma "ws" equals flag:bool { obfs.type = "ws"; }
ws_headers = comma "ws-headers" equals "Host:" host:domain {
obfs.host = host;
ws_headers = comma "ws-headers" equals headers:$[^,]+ {
const pairs = headers.split("|");
const result = {};
pairs.forEach(pair => {
const [key, value] = pair.trim().split(":");
result[key.trim()] = value.trim();
})
obfs["ws-headers"] = result;
}
ws_path = comma "ws-path" equals path:uri { obfs.path = path; }

12
backend/src/core/proxy-utils/parsers/peggy/surge.peg
View File

@@ -22,7 +22,7 @@
if (obfs.type === "ws") {
proxy.network = "ws";
$set(proxy, "ws-opts.path", obfs.path);
$set(proxy, "ws-opts.headers.Host", obfs.host);
$set(proxy, "ws-opts.headers", obfs['ws-headers']);
}
}
}
@@ -156,8 +156,14 @@ method = comma "encrypt-method" equals cipher:cipher {
cipher = ("aes-128-gcm"/"aes-192-gcm"/"aes-256-gcm"/"aes-128-cfb"/"aes-192-cfb"/"aes-256-cfb"/"aes-128-ctr"/"aes-192-ctr"/"aes-256-ctr"/"rc4-md5"/"chacha20-ietf-poly1305"/"chacha20-ietf"/"chacha20-poly1305"/"chacha20"/"none");
ws = comma "ws" equals flag:bool { obfs.type = "ws"; }
ws_headers = comma "ws-headers" equals "Host:" host:domain {
obfs.host = host;
ws_headers = comma "ws-headers" equals headers:$[^,]+ {
const pairs = headers.split("|");
const result = {};
pairs.forEach(pair => {
const [key, value] = pair.trim().split(":");
result[key.trim()] = value.trim();
})
obfs["ws-headers"] = result;
}
ws_path = comma "ws-path" equals path:uri { obfs.path = path; }