First attempt at impersonating Chrome

* Headers and ciphers are aligned to Chrome 98 (Windows, non-incognito)
* GREASE enabled because chrome uses it as well
* TLS extensions 27, 5, 18 enabled.

curl_chrome98

@@ -0,0 +1,40 @@
+#!/bin/bash
+
+# Find the directory of this script
+dir=`echo "$0" | sed 's%/[^/]*$%%'`
+
+PIPE=/tmp/curl-pipe
+
+rm -f "$PIPE" && mkfifo "$PIPE"
+exec 5<>"$PIPE" 3>"$PIPE" 4<"$PIPE" 5>&-
+
+# The list of ciphers can be obtained by looking at the Client Hello message in
+# Wireshark, then converting it using this reference
+# https://wiki.mozilla.org/Security/Cipher_Suites
+"$dir/curl-impersonate-ch" \
+    --ciphers TLS_AES_128_GCM_SHA256,TLS_AES_256_GCM_SHA384,TLS_CHACHA20_POLY1305_SHA256,ECDHE-ECDSA-AES128-GCM-SHA256,ECDHE-RSA-AES128-GCM-SHA256,ECDHE-ECDSA-AES256-GCM-SHA384,ECDHE-RSA-AES256-GCM-SHA384,ECDHE-ECDSA-CHACHA20-POLY1305,ECDHE-RSA-CHACHA20-POLY1305,ECDHE-RSA-AES128-SHA,ECDHE-RSA-AES256-SHA,AES128-GCM-SHA256,AES256-GCM-SHA384,AES128-SHA,AES256-SHA \
+    -H 'Upgrade-Insecure-Requests: 1' \
+    -H 'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.102 Safari/537.36' \
+    -H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9' \
+    -H 'Sec-Ch-Ua: " Not A;Brand";v="99", "Chromium";v="98", "Google Chrome";v="98"' \
+    -H 'Sec-Ch-Ua-Mobile: ?0' \
+    -H 'Sec-Ch-Ua-Platform: Windows' \
+    -H 'Sec-Fetch-Site: none' \
+    -H 'Sec-Fetch-Mode: navigate' \
+    -H 'Sec-Fetch-User: ?1' \
+    -H 'Sec-Fetch-Dest: document' \
+    -H 'Accept-Encoding: gzip, deflate, br' \
+    -H 'Accept-Language: en-US,en;q=0.9' \
+    --http2 --false-start --tlsv1.2 \
+    $@ >&3
+
+exec 3>&-
+
+IFS= read -d '' -r -n 2 -u 4 header
+
+# Due to the "Accept-Encoding: gzip" header, we may receive a gzipped file.
+if [ "$(echo -n $header | xxd -l 2 -p)" == "1f8b" ]; then
+    (printf "%s" "$header"; cat <&4) | gzip -cd;
+else
+    printf "%s" "$header"; cat <&4;
+fi