127 lines
4 KiB
Go
127 lines
4 KiB
Go
package middlewares
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import (
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"context"
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"fmt"
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"io/ioutil"
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"net/http"
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"net/url"
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"os"
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"path/filepath"
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"runtime"
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"testing"
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"github.com/containous/traefik/middlewares/accesslog"
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shellwords "github.com/mattn/go-shellwords"
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"github.com/stretchr/testify/assert"
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)
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type logtestResponseWriter struct{}
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var (
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logger *Logger
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logfileName = "traefikTestLogger.log"
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logfilePath string
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helloWorld = "Hello, World"
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testBackendName = "http://127.0.0.1/testBackend"
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testFrontendName = "testFrontend"
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testStatus = 123
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testHostname = "TestHost"
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testUsername = "TestUser"
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testPath = "http://testpath"
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testPort = 8181
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testProto = "HTTP/0.0"
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testMethod = "POST"
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testReferer = "testReferer"
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testUserAgent = "testUserAgent"
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testBackend2FrontendMap = map[string]string{
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testBackendName: testFrontendName,
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}
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printedLogdata bool
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)
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func TestLogger(t *testing.T) {
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if runtime.GOOS == "windows" {
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logfilePath = filepath.Join(os.Getenv("TEMP"), logfileName)
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} else {
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logfilePath = filepath.Join("/tmp", logfileName)
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}
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logger = NewLogger(logfilePath)
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defer cleanup()
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SetBackend2FrontendMap(&testBackend2FrontendMap)
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r := &http.Request{
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Header: map[string][]string{
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"User-Agent": {testUserAgent},
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"Referer": {testReferer},
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},
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Proto: testProto,
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Host: testHostname,
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Method: testMethod,
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RemoteAddr: fmt.Sprintf("%s:%d", testHostname, testPort),
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URL: &url.URL{
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User: url.UserPassword(testUsername, ""),
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Path: testPath,
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},
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}
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// Temporary - until new access logger is fully implemented
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// create the data table and populate frontend and backend
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core := make(accesslog.CoreLogData)
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logDataTable := &accesslog.LogData{Core: core, Request: r.Header}
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logDataTable.Core[accesslog.FrontendName] = testFrontendName
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logDataTable.Core[accesslog.BackendURL] = testBackendName
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req := r.WithContext(context.WithValue(r.Context(), accesslog.DataTableKey, logDataTable))
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logger.ServeHTTP(&logtestResponseWriter{}, req, LogWriterTestHandlerFunc)
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if logdata, err := ioutil.ReadFile(logfilePath); err != nil {
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fmt.Printf("%s\n%s\n", string(logdata), err.Error())
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assert.Nil(t, err)
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} else if tokens, err := shellwords.Parse(string(logdata)); err != nil {
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fmt.Printf("%s\n", err.Error())
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assert.Nil(t, err)
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} else if assert.Equal(t, 14, len(tokens), printLogdata(logdata)) {
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assert.Equal(t, testHostname, tokens[0], printLogdata(logdata))
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assert.Equal(t, testUsername, tokens[2], printLogdata(logdata))
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assert.Equal(t, fmt.Sprintf("%s %s %s", testMethod, testPath, testProto), tokens[5], printLogdata(logdata))
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assert.Equal(t, fmt.Sprintf("%d", testStatus), tokens[6], printLogdata(logdata))
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assert.Equal(t, fmt.Sprintf("%d", len(helloWorld)), tokens[7], printLogdata(logdata))
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assert.Equal(t, testReferer, tokens[8], printLogdata(logdata))
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assert.Equal(t, testUserAgent, tokens[9], printLogdata(logdata))
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assert.Equal(t, "1", tokens[10], printLogdata(logdata))
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assert.Equal(t, testFrontendName, tokens[11], printLogdata(logdata))
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assert.Equal(t, testBackendName, tokens[12], printLogdata(logdata))
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}
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}
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func cleanup() {
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logger.Close()
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os.Remove(logfilePath)
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}
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func printLogdata(logdata []byte) string {
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return fmt.Sprintf(
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"\nExpected: %s\n"+
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"Actual: %s",
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"TestHost - TestUser [13/Apr/2016:07:14:19 -0700] \"POST http://testpath HTTP/0.0\" 123 12 \"testReferer\" \"testUserAgent\" 1 \"testFrontend\" \"http://127.0.0.1/testBackend\" 1ms",
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string(logdata))
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}
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func LogWriterTestHandlerFunc(rw http.ResponseWriter, r *http.Request) {
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rw.Write([]byte(helloWorld))
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rw.WriteHeader(testStatus)
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saveBackendNameForLogger(r, testBackendName)
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}
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func (lrw *logtestResponseWriter) Header() http.Header {
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return map[string][]string{}
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}
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func (lrw *logtestResponseWriter) Write(b []byte) (int, error) {
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return len(b), nil
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}
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func (lrw *logtestResponseWriter) WriteHeader(s int) {
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}
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