c55a4ac779
The io/ioutil package has been deprecated in Go 1.16. This commit replaces the existing io/ioutil functions with their new definitions in io and os packages. Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
104 lines
3.1 KiB
Go
104 lines
3.1 KiB
Go
package main
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import (
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"fmt"
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"net/http"
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"os"
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"regexp"
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"testing"
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"github.com/docker/docker/testutil/registry"
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"gotest.tools/v3/assert"
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)
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// unescapeBackslashSemicolonParens unescapes \;()
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func unescapeBackslashSemicolonParens(s string) string {
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re := regexp.MustCompile(`\\;`)
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ret := re.ReplaceAll([]byte(s), []byte(";"))
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re = regexp.MustCompile(`\\\(`)
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ret = re.ReplaceAll(ret, []byte("("))
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re = regexp.MustCompile(`\\\)`)
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ret = re.ReplaceAll(ret, []byte(")"))
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re = regexp.MustCompile(`\\\\`)
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ret = re.ReplaceAll(ret, []byte(`\`))
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return string(ret)
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}
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func regexpCheckUA(c *testing.T, ua string) {
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re := regexp.MustCompile("(?P<dockerUA>.+) UpstreamClient(?P<upstreamUA>.+)")
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substrArr := re.FindStringSubmatch(ua)
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assert.Equal(c, len(substrArr), 3, "Expected 'UpstreamClient()' with upstream client UA")
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dockerUA := substrArr[1]
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upstreamUAEscaped := substrArr[2]
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// check dockerUA looks correct
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reDockerUA := regexp.MustCompile("^docker/[0-9A-Za-z+]")
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bMatchDockerUA := reDockerUA.MatchString(dockerUA)
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assert.Assert(c, bMatchDockerUA, "Docker Engine User-Agent malformed")
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// check upstreamUA looks correct
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// Expecting something like: Docker-Client/1.11.0-dev (linux)
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upstreamUA := unescapeBackslashSemicolonParens(upstreamUAEscaped)
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reUpstreamUA := regexp.MustCompile(`^\(Docker-Client/[0-9A-Za-z+]`)
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bMatchUpstreamUA := reUpstreamUA.MatchString(upstreamUA)
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assert.Assert(c, bMatchUpstreamUA, "(Upstream) Docker Client User-Agent malformed")
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}
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// registerUserAgentHandler registers a handler for the `/v2/*` endpoint.
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// Note that a 404 is returned to prevent the client to proceed.
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// We are only checking if the client sent a valid User Agent string along
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// with the request.
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func registerUserAgentHandler(reg *registry.Mock, result *string) {
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reg.RegisterHandler("/v2/", func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(404)
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w.Write([]byte(`{"errors":[{"code": "UNSUPPORTED","message": "this is a mock registry"}]}`))
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var ua string
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for k, v := range r.Header {
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if k == "User-Agent" {
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ua = v[0]
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}
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}
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*result = ua
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})
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}
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// TestUserAgentPassThrough verifies that when an image is pulled from
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// a registry, the registry should see a User-Agent string of the form
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// [docker engine UA] UpstreamClientSTREAM-CLIENT([client UA])
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func (s *DockerRegistrySuite) TestUserAgentPassThrough(c *testing.T) {
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var ua string
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reg, err := registry.NewMock(c)
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assert.NilError(c, err)
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defer reg.Close()
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registerUserAgentHandler(reg, &ua)
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repoName := fmt.Sprintf("%s/busybox", reg.URL())
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s.d.StartWithBusybox(c, "--insecure-registry", reg.URL())
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tmp, err := os.MkdirTemp("", "integration-cli-")
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assert.NilError(c, err)
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defer os.RemoveAll(tmp)
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dockerfile, err := makefile(tmp, fmt.Sprintf("FROM %s", repoName))
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assert.NilError(c, err, "Unable to create test dockerfile")
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s.d.Cmd("build", "--file", dockerfile, tmp)
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regexpCheckUA(c, ua)
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s.d.Cmd("login", "-u", "richard", "-p", "testtest", reg.URL())
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regexpCheckUA(c, ua)
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s.d.Cmd("pull", repoName)
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regexpCheckUA(c, ua)
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s.d.Cmd("tag", "busybox", repoName)
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s.d.Cmd("push", repoName)
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regexpCheckUA(c, ua)
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}
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