mirror of https://github.com/jacekkow/keycloak-protocol-cas

Jacek Kowalski
2023-06-28 bba8bfec21d26bc06fe25a3b2ecb827b80fc0fb1
commit | author | age
33112b 1 #!/bin/bash
MP 2 set -e
3
de93e7 4 keycloak_cas_url='http://localhost:8080/realms/master/protocol/cas'
33112b 5 action_pattern='action="([^"]+)"'
MP 6
7 get_ticket() {
3882f0 8     local cookie_options="-b /tmp/cookies"
9ed066 9     local ticket_pattern='Location: .*\?ticket=(ST-[-A-Za-z0-9_.=]+)'
DR 10     local client_url_param=service
11
3882f0 12     if [ "$1" == "save_cookies" ]; then
JK 13       cookie_options="${cookie_options} -c /tmp/cookies"
9ed066 14     elif [ "$1" == "SAML" ]; then
DR 15       ticket_pattern='Location: .*\?SAMLart=(ST-[-A-Za-z0-9_.=]+)'
16       client_url_param=TARGET
3882f0 17     fi
JK 18
9ed066 19     local login_response=$(curl --fail --silent -c /tmp/cookies "${keycloak_cas_url}/login?${client_url_param}=http://localhost")
3882f0 20     if [[ ! ($login_response =~ $action_pattern) ]] ; then
33112b 21         echo "Could not parse login form in response"
3882f0 22         echo "${login_response}"
33112b 23         exit 1
MP 24     fi
25
3882f0 26     local login_url=${BASH_REMATCH[1]//&/&}
JK 27     local redirect_response=$(curl --fail --silent -D - $cookie_options --data 'username=admin&password=admin' "$login_url")
28     if [[ ! ($redirect_response =~ $ticket_pattern) ]] ; then
33112b 29         echo "No service ticket found in response"
3882f0 30         echo "${redirect_response}"
33112b 31         exit 1
MP 32     fi
33
3882f0 34     echo "${BASH_REMATCH[1]}"
33112b 35 }
MP 36
3882f0 37 # CAS 1.0
JK 38 ticket=$(get_ticket)
39 curl --fail --silent "${keycloak_cas_url}/validate?service=http://localhost&ticket=$ticket"
33112b 40 echo
MP 41
3882f0 42 # CAS 2.0
JK 43 ticket=$(get_ticket)
44 curl --fail --silent "${keycloak_cas_url}/serviceValidate?service=http://localhost&format=XML&ticket=$ticket"
33112b 45 echo
MP 46
3882f0 47 ticket=$(get_ticket)
JK 48 curl --fail --silent "${keycloak_cas_url}/serviceValidate?service=http://localhost&format=JSON&ticket=$ticket"
33112b 49 echo
MP 50
3882f0 51 # CAS 3.0
JK 52 ticket=$(get_ticket save_cookies)
53 curl --fail --silent "${keycloak_cas_url}/p3/serviceValidate?service=http://localhost&format=JSON&ticket=$ticket"
33112b 54 echo
3882f0 55
9ed066 56 # SAML 1.1
DR 57 ticket=$(get_ticket SAML)
58 timestamp=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
59 saml_template=$(dirname "$0")/samlValidateTemplate.xml
60 sed -e "s/CAS_TICKET/$ticket/g" -e "s/TIMESTAMP/$timestamp/g" "$saml_template" \
61   | curl --fail --silent -X POST -H "Content-Type: text/xml" \
62       -H "SOAPAction: http://www.oasis-open.org/committees/security" \
63       --data-binary @- "${keycloak_cas_url}/samlValidate?TARGET=http://localhost"
64 echo
65
3882f0 66 # CAS, gateway option
JK 67 get_ticket save_cookies
68 login_response=$(curl --fail --silent -D - -b /tmp/cookies "${keycloak_cas_url}/login?service=http://localhost&gateway=true")
69 if echo "${login_response}" | grep '^Location: http://localhost\?ticket='; then
70     echo "Gateway option did not redirect back to service with ticket"
71     echo "${login_response}"
72     exit 1
73 fi
74
75 login_response=$(curl --fail --silent -D - "${keycloak_cas_url}/login?service=http://localhost&gateway=true")
76 if echo "${login_response}" | grep '^Location: http://localhost$'; then
77     echo "Gateway option did not redirect back to service without ticket"
78     echo "${login_response}"
79     exit 1
80 fi