From f96c42ba84fbcd16a03badff0b3e44873f488d1e Mon Sep 17 00:00:00 2001
From: ValdikSS <iam@valdikss.org.ru>
Date: Mon, 7 Mar 2022 14:15:39 +0300
Subject: [PATCH] Add Facebook and Twitter special proxy server

---
 config/config.sh |  5 ++++-
 generate-pac.sh  | 15 ++++++++++++---
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/config/config.sh b/config/config.sh
index e964003..4150c43 100755
--- a/config/config.sh
+++ b/config/config.sh
@@ -4,7 +4,10 @@
 PACHTTPSHOST='proxy-ssl.antizapret.prostovpn.org:3143'
 
 # Regular proxy address
-PACPROXYHOST='proxy-nossl.antizapret.prostovpn.org:29976' 
+PACPROXYHOST='proxy-nossl.antizapret.prostovpn.org:29976'
+
+# Facebook and Twitter proxy address
+PACFBTWHOST='proxy-fbtw-ssl.antizapret.prostovpn.org:3143'
 
 PACFILE="result/proxy-host-ssl.pac"
 PACFILE_NOSSL="result/proxy-host-nossl.pac"
diff --git a/generate-pac.sh b/generate-pac.sh
index 4654bef..e4a25a1 100755
--- a/generate-pac.sh
+++ b/generate-pac.sh
@@ -73,8 +73,18 @@ echo "  if (domains.length < 10) return \"DIRECT\"; // list is broken
     shost = host.replace(/(.+)\.([^.]+\.[^.]+$)/, \"\$2\");
 
   // remove leading www
-  shost = shost.replace(/^www\.(.+)/, \"\$1\");
+  shost = shost.replace(/^www\.(.+)/, \"\$1\");" >> "$PACFILE"
 
+cp "$PACFILE" "$PACFILE_NOSSL"
+
+echo "
+  fbtw = ['twitter.com', 'twimg.com', 't.co',
+          'facebook.com', 'fbcdn.net'];
+  if (fbtw.indexOf(shost) !== -1) {
+    return \"HTTPS ${PACFBTWHOST}; PROXY ${PACPROXYHOST}; DIRECT\";
+  }" >> "$PACFILE"
+
+echo "
   var curdomain = shost.match(/(.*)\\.([^.]+\$)/);
   if (!curdomain || !curdomain[2]) {return \"DIRECT\";}
   var curhost = curdomain[1];
@@ -109,9 +119,8 @@ echo "  if (domains.length < 10) return \"DIRECT\"; // list is broken
     // WARNING! WARNING! WARNING!
     // You should NOT use these proxy servers outside of PAC file!
     // DO NOT enter it manually in any program!
-    // By doing this, you harm the service!" >> "$PACFILE"
+    // By doing this, you harm the service!" | tee -a "$PACFILE" "$PACFILE_NOSSL" >/dev/null
 
-cp "$PACFILE" "$PACFILE_NOSSL"
 echo "    return \"HTTPS ${PACHTTPSHOST}; PROXY ${PACPROXYHOST}; DIRECT\";" >> "$PACFILE"
 echo "    return \"PROXY ${PACPROXYHOST}; DIRECT\";" >> "$PACFILE_NOSSL"