mirror of
https://github.com/lwthiker/curl-impersonate.git
synced 2025-08-10 18:59:25 +00:00
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.
This commit is contained in:
lwthiker
78
Dockerfile.chrome
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78
Dockerfile.chrome
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# Use same base as the existing Dockerfile
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FROM python:3.10.1-slim-buster
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WORKDIR /build
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# Dependencies for downloading and building BoringSSL
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RUN apt-get update && \
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apt-get install -y git g++ cmake golang-go ninja-build curl unzip zlib1g-dev libbrotli-dev
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# BoringSSL doesn't have versions. Choose a commit that is used in a stable
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# Chromium version.
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ARG BORING_SSL_COMMIT=3a667d10e94186fd503966f5638e134fe9fb4080
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RUN curl -L https://github.com/google/boringssl/archive/${BORING_SSL_COMMIT}.zip -o boringssl.zip && \
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unzip boringssl && \
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mv boringssl-${BORING_SSL_COMMIT} boringssl
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# Compile BoringSSL.
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# See https://boringssl.googlesource.com/boringssl/+/HEAD/BUILDING.md
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RUN cd boringssl && \
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mkdir build && cd build && \
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cmake -DCMAKE_POSITION_INDEPENDENT_CODE=on -GNinja .. && \
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ninja
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# Fix the directory structure so that curl can compile against it.
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# See https://everything.curl.dev/source/build/tls/boringssl
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RUN mkdir boringssl/build/lib && \
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ln -s ../crypto/libcrypto.a boringssl/build/lib/libcrypto.a && \
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ln -s ../ssl/libssl.a boringssl/build/lib/libssl.a && \
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cp -R boringssl/include boringssl/build
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ARG NGHTTP2_VERSION=nghttp2-1.46.0
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ARG NGHTTP2_URL=https://github.com/nghttp2/nghttp2/releases/download/v1.46.0/nghttp2-1.46.0.tar.bz2
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# The following are needed because we are going to change some autoconf scripts,
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# both for libnghttp2 and curl.
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RUN apt-get install -y autoconf automake autotools-dev pkg-config libtool
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# Download nghttp2 for HTTP/2.0 support.
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RUN curl -o ${NGHTTP2_VERSION}.tar.bz2 -L ${NGHTTP2_URL}
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RUN tar xf ${NGHTTP2_VERSION}.tar.bz2
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# Patch nghttp2 pkg config file to support static builds.
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COPY libnghttp2-*.patch ${NGHTTP2_VERSION}/
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RUN cd ${NGHTTP2_VERSION} && \
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for p in $(ls libnghttp2-*.patch); do patch -p1 < $p; done && \
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autoreconf -i && automake && autoconf
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# Compile nghttp2
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RUN cd ${NGHTTP2_VERSION} && \
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./configure && \
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make && make install
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# Download curl.
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ARG CURL_VERSION=curl-7.81.0
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RUN curl -o ${CURL_VERSION}.tar.xz https://curl.se/download/${CURL_VERSION}.tar.xz
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RUN tar xf ${CURL_VERSION}.tar.xz
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# Patch curl and re-generate the configure script
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COPY curl-*.patch ${CURL_VERSION}/
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RUN cd ${CURL_VERSION} && \
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for p in $(ls curl-*.patch); do patch -p1 < $p; done && \
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autoreconf -fi
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# Compile curl with BoringSSL
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RUN cd ${CURL_VERSION} && \
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./configure --with-openssl=/build/boringssl/build --enable-static --disable-shared --with-nghttp2=/usr/local LIBS="-pthread" CFLAGS="-I/build/boringssl/build" && \
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make
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# 'xxd' is needed for the wrapper script
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RUN apt-get install -y xxd
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RUN mkdir out && \
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cp ${CURL_VERSION}/src/curl out/curl-impersonate-ch
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# Wrapper script
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COPY curl_chrome* out/
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RUN chmod +x out/*
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60
curl-openssl.patch
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60
curl-openssl.patch
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--- curl-7.81.0-original/lib/vtls/openssl.c 2022-01-03 18:36:46.000000000 +0200
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+++ curl-7.81.0/lib/vtls/openssl.c 2022-02-18 17:05:57.253198793 +0200
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@@ -78,2 +78,4 @@
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+#include <brotli/decode.h>
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+
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#ifdef USE_AMISSL
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@@ -2631,2 +2633,27 @@
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+/* Taken from Chromium and adapted to C,
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+ * see net/ssl/cert_compression.cc
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+ */
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+int DecompressBrotliCert(SSL* ssl,
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+ CRYPTO_BUFFER** out,
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+ size_t uncompressed_len,
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+ const uint8_t* in,
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+ size_t in_len) {
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+ uint8_t* data;
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+ CRYPTO_BUFFER* decompressed = CRYPTO_BUFFER_alloc(&data, uncompressed_len);
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+ if (!decompressed) {
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+ return 0;
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+ }
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+
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+ size_t output_size = uncompressed_len;
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+ if (BrotliDecoderDecompress(in_len, in, &output_size, data) !=
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+ BROTLI_DECODER_RESULT_SUCCESS ||
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+ output_size != uncompressed_len) {
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+ return 0;
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+ }
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+
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+ *out = decompressed;
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+ return 1;
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+}
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+
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static CURLcode ossl_connect_step1(struct Curl_easy *data,
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@@ -2769,2 +2796,5 @@
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#ifdef SSL_OP_NO_TICKET
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+ /* curl-impersonate patch.
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+ * Don't turn on SSL_OP_NO_TICKET, we want TLS extension 35 (session_ticket)
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+ * to be sent. */
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ctx_options |= SSL_OP_NO_TICKET;
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@@ -2939,2 +2969,18 @@
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+ /* curl-impersonate
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+ * Configure BoringSSL to behave like Chrome.
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+ * See Constructor of SSLContext at net/socket/ssl_client_socket_impl.cc
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+ * and SSLClientSocketImpl::Init()
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+ * in the Chromium's source code. */
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+
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+ /* Enable TLS GREASE. */
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+ SSL_CTX_set_grease_enabled(backend->ctx, 1);
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+
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+ /* Add support for TLS extension 27 - compress_certificate.
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+ * Add Brotli decompression. See Chromium net/ssl/cert_compression.cc */
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+ SSL_CTX_add_cert_compression_alg(backend->ctx, TLSEXT_cert_compression_brotli, NULL, DecompressBrotliCert);
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+
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+ /* Enable TLS extensions 5 - status_request and 18 - signed_certificate_timestamp. */
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+ SSL_CTX_enable_ocsp_stapling(backend->ctx);
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+ SSL_CTX_enable_signed_cert_timestamps(backend->ctx);
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40
curl_chrome98
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40
curl_chrome98
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#!/bin/bash
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# Find the directory of this script
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dir=`echo "$0" | sed 's%/[^/]*$%%'`
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PIPE=/tmp/curl-pipe
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rm -f "$PIPE" && mkfifo "$PIPE"
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exec 5<>"$PIPE" 3>"$PIPE" 4<"$PIPE" 5>&-
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# The list of ciphers can be obtained by looking at the Client Hello message in
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# Wireshark, then converting it using this reference
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# https://wiki.mozilla.org/Security/Cipher_Suites
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"$dir/curl-impersonate-ch" \
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--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 \
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-H 'Upgrade-Insecure-Requests: 1' \
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-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' \
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-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' \
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-H 'Sec-Ch-Ua: " Not A;Brand";v="99", "Chromium";v="98", "Google Chrome";v="98"' \
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-H 'Sec-Ch-Ua-Mobile: ?0' \
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-H 'Sec-Ch-Ua-Platform: Windows' \
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-H 'Sec-Fetch-Site: none' \
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-H 'Sec-Fetch-Mode: navigate' \
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-H 'Sec-Fetch-User: ?1' \
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-H 'Sec-Fetch-Dest: document' \
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-H 'Accept-Encoding: gzip, deflate, br' \
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-H 'Accept-Language: en-US,en;q=0.9' \
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--http2 --false-start --tlsv1.2 \
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$@ >&3
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exec 3>&-
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IFS= read -d '' -r -n 2 -u 4 header
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# Due to the "Accept-Encoding: gzip" header, we may receive a gzipped file.
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if [ "$(echo -n $header | xxd -l 2 -p)" == "1f8b" ]; then
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(printf "%s" "$header"; cat <&4) | gzip -cd;
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else
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printf "%s" "$header"; cat <&4;
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fi
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