# Test code for the get_url module
# (c) 2014, Richard Isaacson <richard.c.isaacson@gmail.com>

# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible.  If not, see <https://www.gnu.org/licenses/>.

- name: Determine if python looks like it will support modern ssl features like SNI
  command: "{{ ansible_python.executable }} -c 'from ssl import SSLContext'"
  ignore_errors: True
  register: python_test

- name: Set python_has_sslcontext if we have it
  set_fact:
    python_has_ssl_context: True
  when: python_test.rc == 0

- name: Set python_has_sslcontext False if we don't have it
  set_fact:
    python_has_ssl_context: False
  when: python_test.rc != 0

- name: Define test files for file schema
  set_fact:
    geturl_srcfile: "{{ output_dir }}/aurlfile.txt"
    geturl_dstfile: "{{ output_dir }}/aurlfile_copy.txt"

- name: Create source file
  copy:
    dest: "{{ geturl_srcfile }}"
    content: "foobar"
  register: source_file_copied

- name: test file fetch
  get_url:
    url: "file://{{ source_file_copied.dest }}"
    dest: "{{ geturl_dstfile }}"
  register: result

- name: assert success and change
  assert:
    that:
      - result is changed
      - '"OK" in result.msg'

- name: test nonexisting file fetch
  get_url:
    url: "file://{{ source_file_copied.dest }}NOFILE"
    dest: "{{ geturl_dstfile }}NOFILE"
  register: result
  ignore_errors: True

- name: assert success and change
  assert:
    that:
      - result is failed

- name: test HTTP HEAD request for file in check mode
  get_url:
    url: "https://{{ httpbin_host }}/get"
    dest: "{{ output_dir }}/get_url_check.txt"
    force: yes
  check_mode: True
  register: result

- name: assert that the HEAD request was successful in check mode
  assert:
    that:
    - result is changed
    - '"OK" in result.msg'

- name: test HTTP HEAD for nonexistent URL in check mode
  get_url:
    url: "https://{{ httpbin_host }}/DOESNOTEXIST"
    dest: "{{ output_dir }}/shouldnotexist.html"
    force: yes
  check_mode: True
  register: result
  ignore_errors: True

- name: assert that HEAD request for nonexistent URL failed
  assert:
    that:
      - result is failed

- name: test https fetch
  get_url: url="https://{{ httpbin_host }}/get" dest={{output_dir}}/get_url.txt force=yes
  register: result

- name: assert the get_url call was successful
  assert:
    that:
      - result is changed
      - '"OK" in result.msg'

- name: test https fetch to a site with mismatched hostname and certificate
  get_url:
    url: "https://{{ badssl_host }}/"
    dest: "{{ output_dir }}/shouldnotexist.html"
  ignore_errors: True
  register: result

- stat:
    path: "{{ output_dir }}/shouldnotexist.html"
  register: stat_result

- name: Assert that the file was not downloaded
  assert:
    that:
      - "result is failed"
      - "'Failed to validate the SSL certificate' in result.msg or ( result.msg is match('hostname .* doesn.t match .*'))"
      - "stat_result.stat.exists == false"

- name: test https fetch to a site with mismatched hostname and certificate and validate_certs=no
  get_url:
    url: "https://{{ badssl_host }}/"
    dest: "{{ output_dir }}/get_url_no_validate.html"
    validate_certs: no
  register: result

- stat:
    path: "{{ output_dir }}/get_url_no_validate.html"
  register: stat_result

- name: Assert that the file was downloaded
  assert:
    that:
      - result is changed
      - "stat_result.stat.exists == true"

# SNI Tests
# SNI is only built into the stdlib from python-2.7.9 onwards
- name: Test that SNI works
  get_url:
    url: 'https://{{ sni_host }}/'
    dest: "{{ output_dir }}/sni.html"
  register: get_url_result
  ignore_errors: True

- command: "grep '{{ sni_host }}' {{ output_dir}}/sni.html"
  register: data_result
  when: python_has_ssl_context

- debug:
    var: get_url_result

- name: Assert that SNI works with this python version
  assert:
    that:
      - 'data_result.rc == 0'
  when: python_has_ssl_context

# If the client doesn't support SNI then get_url should have failed with a certificate mismatch
- name: Assert that hostname verification failed because SNI is not supported on this version of python
  assert:
    that:
      - 'get_url_result is failed'
  when: not python_has_ssl_context

# These tests are just side effects of how the site is hosted.  It's not
# specifically a test site.  So the tests may break due to the hosting changing
- name: Test that SNI works
  get_url:
    url: 'https://{{ sni_host }}/'
    dest: "{{ output_dir }}/sni.html"
  register: get_url_result
  ignore_errors: True

- command: "grep '{{ sni_host }}' {{ output_dir}}/sni.html"
  register: data_result
  when: python_has_ssl_context

- debug:
    var: get_url_result

- name: Assert that SNI works with this python version
  assert:
    that:
      - 'data_result.rc == 0'
      - 'get_url_result is not failed'
  when: python_has_ssl_context

# If the client doesn't support SNI then get_url should have failed with a certificate mismatch
- name: Assert that hostname verification failed because SNI is not supported on this version of python
  assert:
    that:
      - 'get_url_result is failed'
  when: not python_has_ssl_context
# End hacky SNI test section

- name: Test get_url with redirect
  get_url:
    url: 'https://{{ httpbin_host }}/redirect/6'
    dest: "{{ output_dir }}/redirect.json"

- name: Test that setting file modes work
  get_url:
    url: 'https://{{ httpbin_host }}/'
    dest: '{{ output_dir }}/test'
    mode: '0707'
  register: result

- stat:
    path: "{{ output_dir }}/test"
  register: stat_result

- name: Assert that the file has the right permissions
  assert:
    that:
      - result is changed
      - "stat_result.stat.mode == '0707'"

- name: Test that setting file modes on an already downlaoded file work
  get_url:
    url: 'https://{{ httpbin_host }}/'
    dest: '{{ output_dir }}/test'
    mode: '0070'
  register: result

- stat:
    path: "{{ output_dir }}/test"
  register: stat_result

- name: Assert that the file has the right permissions
  assert:
    that:
      - result is changed
      - "stat_result.stat.mode == '0070'"

# https://github.com/ansible/ansible/issues/29614
- name: Change mode on an already downloaded file and specify checksum
  get_url:
    url: 'https://{{ httpbin_host }}/'
    dest: '{{ output_dir }}/test'
    checksum: 'sha256:7036ede810fad2b5d2e7547ec703cae8da61edbba43c23f9d7203a0239b765c4.'
    mode: '0775'
  register: result

- stat:
    path: "{{ output_dir }}/test"
  register: stat_result

- name: Assert that file permissions on already downloaded file were changed
  assert:
    that:
      - result is changed
      - "stat_result.stat.mode == '0775'"

#https://github.com/ansible/ansible/issues/16191
- name: Test url split with no filename
  get_url:
    url: https://{{ httpbin_host }}
    dest: "{{ output_dir }}"

- name: Test headers string
  get_url:
    url: https://{{ httpbin_host }}/headers
    headers: Foo:bar,Baz:qux
    dest: "{{ output_dir }}/headers_string.json"

- name: Test headers string
  assert:
    that:
      - (lookup('file', output_dir ~ '/headers_string.json')|from_json).headers.get('Foo') == 'bar'
      - (lookup('file', output_dir ~ '/headers_string.json')|from_json).headers.get('Baz') == 'qux'

- name: Test headers string invalid format
  get_url:
    url: https://{{ httpbin_host }}/headers
    headers: Foo
    dest: "{{ output_dir }}/headers_string_invalid.json"
  register: invalid_string_headers
  failed_when:
    - invalid_string_headers is successful
    - invalid_string_headers.msg != "The string representation for the `headers` parameter requires a key:value,key:value syntax to be properly parsed."

- name: Test headers dict
  get_url:
    url: https://{{ httpbin_host }}/headers
    headers:
      Foo: bar
      Baz: qux
    dest: "{{ output_dir }}/headers_dict.json"

- name: Test headers dict
  assert:
    that:
      - (lookup('file', output_dir ~ '/headers_dict.json')|from_json).headers.get('Foo') == 'bar'
      - (lookup('file', output_dir ~ '/headers_dict.json')|from_json).headers.get('Baz') == 'qux'

- name: Test client cert auth, with certs
  get_url:
    url: "https://ansible.http.tests/ssl_client_verify"
    client_cert: "{{ output_dir }}/client.pem"
    client_key: "{{ output_dir }}/client.key"
    dest: "{{ output_dir }}/ssl_client_verify"
  when: has_httptester

- name: Assert that the ssl_client_verify file contains the correct content
  assert:
    that:
      - 'lookup("file", "{{ output_dir }}/ssl_client_verify") == "ansible.http.tests:SUCCESS"'
  when: has_httptester