5f2117b24f
Add the value of the WWW-Authenticate response header to credential requests. Credential helpers that understand and support HTTP authentication and authorization can use this standard header (RFC 2616 Section 14.47 [1]) to generate valid credentials. WWW-Authenticate headers can contain information pertaining to the authority, authentication mechanism, or extra parameters/scopes that are required. The current I/O format for credential helpers only allows for unique names for properties/attributes, so in order to transmit multiple header values (with a specific order) we introduce a new convention whereby a C-style array syntax is used in the property name to denote multiple ordered values for the same property. In this case we send multiple `wwwauth[]` properties where the order that the repeated attributes appear in the conversation reflects the order that the WWW-Authenticate headers appeared in the HTTP response. Add a set of tests to exercise the HTTP authentication header parsing and the interop with credential helpers. Credential helpers will receive WWW-Authenticate information in credential requests. [1] https://datatracker.ietf.org/doc/html/rfc2616#section-14.47 Signed-off-by: Matthew John Cheetham <mjcheetham@outlook.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
326 lines
8.2 KiB
Bash
Executable File
326 lines
8.2 KiB
Bash
Executable File
#!/bin/sh
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test_description='test http auth header and credential helper interop'
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. ./test-lib.sh
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. "$TEST_DIRECTORY"/lib-httpd.sh
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start_httpd
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test_expect_success 'setup_credential_helper' '
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mkdir "$TRASH_DIRECTORY/bin" &&
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PATH=$PATH:"$TRASH_DIRECTORY/bin" &&
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export PATH &&
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CREDENTIAL_HELPER="$TRASH_DIRECTORY/bin/git-credential-test-helper" &&
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write_script "$CREDENTIAL_HELPER" <<-\EOF
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cmd=$1
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teefile=$cmd-query.cred
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catfile=$cmd-reply.cred
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sed -n -e "/^$/q" -e "p" >>$teefile
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if test "$cmd" = "get"
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then
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cat $catfile
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fi
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EOF
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'
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set_credential_reply () {
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cat >"$TRASH_DIRECTORY/$1-reply.cred"
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}
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expect_credential_query () {
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cat >"$TRASH_DIRECTORY/$1-expect.cred" &&
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test_cmp "$TRASH_DIRECTORY/$1-expect.cred" \
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"$TRASH_DIRECTORY/$1-query.cred"
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}
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per_test_cleanup () {
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rm -f *.cred &&
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rm -f "$HTTPD_ROOT_PATH"/custom-auth.valid \
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"$HTTPD_ROOT_PATH"/custom-auth.challenge
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}
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test_expect_success 'setup repository' '
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test_commit foo &&
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git init --bare "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
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git push --mirror "$HTTPD_DOCUMENT_ROOT_PATH/repo.git"
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'
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test_expect_success 'access using basic auth' '
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test_when_finished "per_test_cleanup" &&
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set_credential_reply get <<-EOF &&
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username=alice
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password=secret-passwd
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EOF
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# Basic base64(alice:secret-passwd)
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cat >"$HTTPD_ROOT_PATH/custom-auth.valid" <<-EOF &&
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Basic YWxpY2U6c2VjcmV0LXBhc3N3ZA==
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EOF
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cat >"$HTTPD_ROOT_PATH/custom-auth.challenge" <<-EOF &&
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WWW-Authenticate: Basic realm="example.com"
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EOF
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test_config_global credential.helper test-helper &&
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git ls-remote "$HTTPD_URL/custom_auth/repo.git" &&
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expect_credential_query get <<-EOF &&
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protocol=http
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host=$HTTPD_DEST
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wwwauth[]=Basic realm="example.com"
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EOF
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expect_credential_query store <<-EOF
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protocol=http
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host=$HTTPD_DEST
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username=alice
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password=secret-passwd
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EOF
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'
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test_expect_success 'access using basic auth invalid credentials' '
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test_when_finished "per_test_cleanup" &&
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set_credential_reply get <<-EOF &&
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username=baduser
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password=wrong-passwd
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EOF
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# Basic base64(alice:secret-passwd)
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cat >"$HTTPD_ROOT_PATH/custom-auth.valid" <<-EOF &&
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Basic YWxpY2U6c2VjcmV0LXBhc3N3ZA==
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EOF
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cat >"$HTTPD_ROOT_PATH/custom-auth.challenge" <<-EOF &&
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WWW-Authenticate: Basic realm="example.com"
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EOF
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test_config_global credential.helper test-helper &&
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test_must_fail git ls-remote "$HTTPD_URL/custom_auth/repo.git" &&
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expect_credential_query get <<-EOF &&
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protocol=http
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host=$HTTPD_DEST
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wwwauth[]=Basic realm="example.com"
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EOF
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expect_credential_query erase <<-EOF
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protocol=http
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host=$HTTPD_DEST
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username=baduser
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password=wrong-passwd
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wwwauth[]=Basic realm="example.com"
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EOF
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'
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test_expect_success 'access using basic auth with extra challenges' '
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test_when_finished "per_test_cleanup" &&
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set_credential_reply get <<-EOF &&
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username=alice
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password=secret-passwd
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EOF
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# Basic base64(alice:secret-passwd)
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cat >"$HTTPD_ROOT_PATH/custom-auth.valid" <<-EOF &&
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Basic YWxpY2U6c2VjcmV0LXBhc3N3ZA==
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EOF
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cat >"$HTTPD_ROOT_PATH/custom-auth.challenge" <<-EOF &&
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WWW-Authenticate: FooBar param1="value1" param2="value2"
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WWW-Authenticate: Bearer authorize_uri="id.example.com" p=1 q=0
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WWW-Authenticate: Basic realm="example.com"
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EOF
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test_config_global credential.helper test-helper &&
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git ls-remote "$HTTPD_URL/custom_auth/repo.git" &&
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expect_credential_query get <<-EOF &&
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protocol=http
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host=$HTTPD_DEST
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wwwauth[]=FooBar param1="value1" param2="value2"
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wwwauth[]=Bearer authorize_uri="id.example.com" p=1 q=0
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wwwauth[]=Basic realm="example.com"
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EOF
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expect_credential_query store <<-EOF
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protocol=http
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host=$HTTPD_DEST
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username=alice
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password=secret-passwd
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EOF
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'
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test_expect_success 'access using basic auth mixed-case wwwauth header name' '
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test_when_finished "per_test_cleanup" &&
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set_credential_reply get <<-EOF &&
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username=alice
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password=secret-passwd
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EOF
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# Basic base64(alice:secret-passwd)
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cat >"$HTTPD_ROOT_PATH/custom-auth.valid" <<-EOF &&
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Basic YWxpY2U6c2VjcmV0LXBhc3N3ZA==
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EOF
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cat >"$HTTPD_ROOT_PATH/custom-auth.challenge" <<-EOF &&
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www-authenticate: foobar param1="value1" param2="value2"
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WWW-AUTHENTICATE: BEARER authorize_uri="id.example.com" p=1 q=0
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WwW-aUtHeNtIcAtE: baSiC realm="example.com"
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EOF
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test_config_global credential.helper test-helper &&
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git ls-remote "$HTTPD_URL/custom_auth/repo.git" &&
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expect_credential_query get <<-EOF &&
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protocol=http
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host=$HTTPD_DEST
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wwwauth[]=foobar param1="value1" param2="value2"
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wwwauth[]=BEARER authorize_uri="id.example.com" p=1 q=0
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wwwauth[]=baSiC realm="example.com"
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EOF
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expect_credential_query store <<-EOF
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protocol=http
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host=$HTTPD_DEST
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username=alice
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password=secret-passwd
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EOF
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'
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test_expect_success 'access using basic auth with wwwauth header continuations' '
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test_when_finished "per_test_cleanup" &&
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set_credential_reply get <<-EOF &&
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username=alice
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password=secret-passwd
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EOF
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# Basic base64(alice:secret-passwd)
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cat >"$HTTPD_ROOT_PATH/custom-auth.valid" <<-EOF &&
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Basic YWxpY2U6c2VjcmV0LXBhc3N3ZA==
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EOF
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# Note that leading and trailing whitespace is important to correctly
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# simulate a continuation/folded header.
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cat >"$HTTPD_ROOT_PATH/custom-auth.challenge" <<-EOF &&
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WWW-Authenticate: FooBar param1="value1"
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param2="value2"
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WWW-Authenticate: Bearer authorize_uri="id.example.com"
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p=1
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q=0
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WWW-Authenticate: Basic realm="example.com"
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EOF
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test_config_global credential.helper test-helper &&
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git ls-remote "$HTTPD_URL/custom_auth/repo.git" &&
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expect_credential_query get <<-EOF &&
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protocol=http
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host=$HTTPD_DEST
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wwwauth[]=FooBar param1="value1" param2="value2"
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wwwauth[]=Bearer authorize_uri="id.example.com" p=1 q=0
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wwwauth[]=Basic realm="example.com"
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EOF
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expect_credential_query store <<-EOF
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protocol=http
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host=$HTTPD_DEST
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username=alice
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password=secret-passwd
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EOF
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'
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test_expect_success 'access using basic auth with wwwauth header empty continuations' '
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test_when_finished "per_test_cleanup" &&
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set_credential_reply get <<-EOF &&
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username=alice
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password=secret-passwd
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EOF
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# Basic base64(alice:secret-passwd)
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cat >"$HTTPD_ROOT_PATH/custom-auth.valid" <<-EOF &&
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Basic YWxpY2U6c2VjcmV0LXBhc3N3ZA==
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EOF
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CHALLENGE="$HTTPD_ROOT_PATH/custom-auth.challenge" &&
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# Note that leading and trailing whitespace is important to correctly
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# simulate a continuation/folded header.
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printf "">$CHALLENGE &&
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printf "WWW-Authenticate: FooBar param1=\"value1\"\r\n" >$CHALLENGE &&
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printf " \r\n" >>$CHALLENGE &&
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printf " param2=\"value2\"\r\n" >>$CHALLENGE &&
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printf "WWW-Authenticate: Bearer authorize_uri=\"id.example.com\"\r\n" >>$CHALLENGE &&
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printf " p=1\r\n" >>$CHALLENGE &&
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printf " \r\n" >>$CHALLENGE &&
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printf " q=0\r\n" >>$CHALLENGE &&
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printf "WWW-Authenticate: Basic realm=\"example.com\"\r\n" >>$CHALLENGE &&
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test_config_global credential.helper test-helper &&
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git ls-remote "$HTTPD_URL/custom_auth/repo.git" &&
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expect_credential_query get <<-EOF &&
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protocol=http
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host=$HTTPD_DEST
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wwwauth[]=FooBar param1="value1" param2="value2"
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wwwauth[]=Bearer authorize_uri="id.example.com" p=1 q=0
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wwwauth[]=Basic realm="example.com"
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EOF
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expect_credential_query store <<-EOF
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protocol=http
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host=$HTTPD_DEST
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username=alice
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password=secret-passwd
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EOF
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'
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test_expect_success 'access using basic auth with wwwauth header mixed line-endings' '
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test_when_finished "per_test_cleanup" &&
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set_credential_reply get <<-EOF &&
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username=alice
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password=secret-passwd
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EOF
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# Basic base64(alice:secret-passwd)
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cat >"$HTTPD_ROOT_PATH/custom-auth.valid" <<-EOF &&
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Basic YWxpY2U6c2VjcmV0LXBhc3N3ZA==
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EOF
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CHALLENGE="$HTTPD_ROOT_PATH/custom-auth.challenge" &&
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# Note that leading and trailing whitespace is important to correctly
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# simulate a continuation/folded header.
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printf "">$CHALLENGE &&
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printf "WWW-Authenticate: FooBar param1=\"value1\"\r\n" >$CHALLENGE &&
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printf " \r\n" >>$CHALLENGE &&
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printf "\tparam2=\"value2\"\r\n" >>$CHALLENGE &&
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printf "WWW-Authenticate: Basic realm=\"example.com\"" >>$CHALLENGE &&
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test_config_global credential.helper test-helper &&
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git ls-remote "$HTTPD_URL/custom_auth/repo.git" &&
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expect_credential_query get <<-EOF &&
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protocol=http
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host=$HTTPD_DEST
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wwwauth[]=FooBar param1="value1" param2="value2"
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wwwauth[]=Basic realm="example.com"
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EOF
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expect_credential_query store <<-EOF
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protocol=http
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host=$HTTPD_DEST
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username=alice
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password=secret-passwd
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EOF
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'
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test_done
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