120 lines
3.7 KiB
Go
120 lines
3.7 KiB
Go
package main
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import (
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"fmt"
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"net/http"
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"regexp"
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"github.com/go-check/check"
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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([]byte(ret), []byte("("))
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re = regexp.MustCompile(`\\\)`)
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ret = re.ReplaceAll([]byte(ret), []byte(")"))
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re = regexp.MustCompile(`\\\\`)
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ret = re.ReplaceAll([]byte(ret), []byte(`\`))
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return string(ret)
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}
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func regexpCheckUA(c *check.C, 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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c.Assert(substrArr, check.HasLen, 3, check.Commentf("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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c.Assert(bMatchDockerUA, check.Equals, true, check.Commentf("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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c.Assert(bMatchUpstreamUA, check.Equals, true, check.Commentf("(Upstream) Docker Client User-Agent malformed"))
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}
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func registerUserAgentHandler(reg *testRegistry, 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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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] UptreamClientSTREAM-CLIENT([client UA])
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func (s *DockerRegistrySuite) TestUserAgentPassThrough(c *check.C) {
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var (
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buildUA string
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pullUA string
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pushUA string
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loginUA string
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)
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buildReg, err := newTestRegistry(c)
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c.Assert(err, check.IsNil)
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registerUserAgentHandler(buildReg, &buildUA)
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buildRepoName := fmt.Sprintf("%s/busybox", buildReg.hostport)
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pullReg, err := newTestRegistry(c)
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c.Assert(err, check.IsNil)
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registerUserAgentHandler(pullReg, &pullUA)
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pullRepoName := fmt.Sprintf("%s/busybox", pullReg.hostport)
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pushReg, err := newTestRegistry(c)
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c.Assert(err, check.IsNil)
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registerUserAgentHandler(pushReg, &pushUA)
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pushRepoName := fmt.Sprintf("%s/busybox", pushReg.hostport)
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loginReg, err := newTestRegistry(c)
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c.Assert(err, check.IsNil)
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registerUserAgentHandler(loginReg, &loginUA)
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err = s.d.Start(
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"--insecure-registry", buildReg.hostport,
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"--insecure-registry", pullReg.hostport,
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"--insecure-registry", pushReg.hostport,
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"--insecure-registry", loginReg.hostport,
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"--disable-legacy-registry=true")
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c.Assert(err, check.IsNil)
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dockerfileName, cleanup1, err := makefile(fmt.Sprintf("FROM %s", buildRepoName))
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c.Assert(err, check.IsNil, check.Commentf("Unable to create test dockerfile"))
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defer cleanup1()
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s.d.Cmd("build", "--file", dockerfileName, ".")
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regexpCheckUA(c, buildUA)
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s.d.Cmd("login", "-u", "richard", "-p", "testtest", loginReg.hostport)
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regexpCheckUA(c, loginUA)
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s.d.Cmd("pull", pullRepoName)
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regexpCheckUA(c, pullUA)
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dockerfileName, cleanup2, err := makefile(`FROM scratch
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ENV foo bar`)
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c.Assert(err, check.IsNil, check.Commentf("Unable to create test dockerfile"))
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defer cleanup2()
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s.d.Cmd("build", "-t", pushRepoName, "--file", dockerfileName, ".")
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s.d.Cmd("push", pushRepoName)
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regexpCheckUA(c, pushUA)
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}
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