func (c *Couch) req(method, url string, headers http.Header, body []byte, user *url.Userinfo) (*http.Response, error) {
if c.send == nil {
panic("send func not set")
}
// Create a new request
req, err := http.NewRequest(method, url, nil)
if err != nil {
return nil, err
}
req.Close = true
req.TransferEncoding = []string{"chunked"}
req.Body = ioutil.NopCloser(bytes.NewBuffer(body))
req.ContentLength = int64(len(body))
// Set headers
if headers != nil {
req.Header = headers
}
// Set auth credentials
if user != nil {
if p, ok := user.Password(); ok {
req.SetBasicAuth(user.Username(), p)
}
}
resp, err := c.send(req)
if err != nil {
return nil, err
}
return resp, nil
}
func basicAuthTestcase(t *testing.T, upstreamUser, clientUser *url.Userinfo) {
backend := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
u, p, ok := r.BasicAuth()
if ok {
w.Write([]byte(u))
}
if ok && p != "" {
w.Write([]byte(":"))
w.Write([]byte(p))
}
}))
defer backend.Close()
backURL, err := url.Parse(backend.URL)
if err != nil {
t.Fatalf("Failed to parse URL: %v", err)
}
backURL.User = upstreamUser
p := &Proxy{
Next: httpserver.EmptyNext,
Upstreams: []Upstream{newFakeUpstream(backURL.String(), false)},
}
r, err := http.NewRequest("GET", "/foo", nil)
if err != nil {
t.Fatalf("Failed to create request: %v", err)
}
if clientUser != nil {
u := clientUser.Username()
p, _ := clientUser.Password()
r.SetBasicAuth(u, p)
}
w := httptest.NewRecorder()
p.ServeHTTP(w, r)
if w.Code != 200 {
t.Fatalf("Invalid response code: %d", w.Code)
}
body, _ := ioutil.ReadAll(w.Body)
if clientUser != nil {
if string(body) != clientUser.String() {
t.Fatalf("Invalid auth info: %s", string(body))
}
} else {
if upstreamUser != nil {
if string(body) != upstreamUser.String() {
t.Fatalf("Invalid auth info: %s", string(body))
}
} else {
if string(body) != "" {
t.Fatalf("Invalid auth info: %s", string(body))
}
}
}
}
func getCredentials(a httpRequestArgs,
hdrCreds *url.Userinfo, auths []string) (datastore.Credentials, errors.Error) {
var creds datastore.Credentials
if hdrCreds != nil {
// Credentials are in the request URL:
username := hdrCreds.Username()
password, _ := hdrCreds.Password()
creds = make(datastore.Credentials)
creds[username] = password
return creds, nil
}
if len(auths) > 0 {
// Credentials are in the request header:
// TODO: implement non-Basic auth (digest, ntlm)
auth := auths[0]
if strings.HasPrefix(auth, "Basic ") {
encoded_creds := strings.Split(auth, " ")[1]
decoded_creds, err := base64.StdEncoding.DecodeString(encoded_creds)
if err != nil {
return creds, errors.NewServiceErrorBadValue(err, CREDS)
}
// Authorization header is in format "user:pass"
// per http://tools.ietf.org/html/rfc1945#section-10.2
u_details := strings.Split(string(decoded_creds), ":")
switch len(u_details) {
case 2:
creds = make(datastore.Credentials)
creds[u_details[0]] = u_details[1]
case 3:
creds = make(datastore.Credentials)
// Support usernames like "local:xxx" or "admin:xxx"
creds[strings.Join(u_details[:2], ":")] = u_details[2]
default:
// Authorization header format is incorrect
return creds, errors.NewServiceErrorBadValue(nil, CREDS)
}
}
return creds, nil
}
// Credentials may be in request arguments:
cred_data, err := a.getCredentials()
if err == nil && len(cred_data) > 0 {
creds = make(datastore.Credentials)
for _, cred := range cred_data {
user, user_ok := cred["user"]
pass, pass_ok := cred["pass"]
if user_ok && pass_ok {
creds[user] = pass
} else {
err = errors.NewServiceErrorMissingValue("user or pass")
break
}
}
}
return creds, err
}
func (sm *Manager) Login(ctx context.Context, u *url.Userinfo) error {
req := types.Login{
This: sm.Reference(),
}
if u != nil {
req.UserName = u.Username()
if pw, ok := u.Password(); ok {
req.Password = pw
}
}
login, err := methods.Login(ctx, sm.client, &req)
if err != nil {
return err
}
sm.userSession = &login.Returnval
return nil
}
// Send constructs and sends an HTTP request.
func (s *Session) Send(r *Request) (response *Response, err error) {
r.Method = strings.ToUpper(r.Method)
//
// Create a URL object from the raw url string. This will allow us to compose
// query parameters programmatically and be guaranteed of a well-formed URL.
//
u, err := url.Parse(r.Url)
if err != nil {
s.log("URL", r.Url)
s.log(err)
return
}
//
// Default query parameters
//
p := Params{}
if s.Params != nil {
for k, v := range *s.Params {
p[k] = v
}
}
//
// User-supplied params override default
//
if r.Params != nil {
for k, v := range *r.Params {
p[k] = v
}
}
//
// Encode parameters
//
vals := u.Query()
for k, v := range p {
vals.Set(k, v)
}
u.RawQuery = vals.Encode()
//
// Create a Request object; if populated, Data field is JSON encoded as
// request body
//
header := http.Header{}
if s.Header != nil {
for k, _ := range *s.Header {
v := s.Header.Get(k)
header.Set(k, v)
}
}
var req *http.Request
var buf *bytes.Buffer
if r.Payload != nil {
if r.RawPayload {
var ok bool
// buf can be nil interface at this point
// so we'll do extra nil check
buf, ok = r.Payload.(*bytes.Buffer)
if !ok {
err = errors.New("Payload must be of type *bytes.Buffer if RawPayload is set to true")
return
}
} else {
var b []byte
b, err = json.Marshal(&r.Payload)
if err != nil {
s.log(err)
return
}
buf = bytes.NewBuffer(b)
}
if buf != nil {
req, err = http.NewRequest(r.Method, u.String(), buf)
} else {
req, err = http.NewRequest(r.Method, u.String(), nil)
}
if err != nil {
s.log(err)
return
}
header.Add("Content-Type", "application/json")
} else { // no data to encode
req, err = http.NewRequest(r.Method, u.String(), nil)
if err != nil {
s.log(err)
return
}
}
//
// Merge Session and Request options
//
var userinfo *url.Userinfo
if u.User != nil {
userinfo = u.User
}
if s.Userinfo != nil {
userinfo = s.Userinfo
}
// Prefer Request's user credentials
if r.Userinfo != nil {
userinfo = r.Userinfo
}
if r.Header != nil {
for k, v := range *r.Header {
header.Set(k, v[0]) // Is there always guarnateed to be at least one value for a header?
}
}
if header.Get("Accept") == "" {
header.Add("Accept", "application/json") // Default, can be overridden with Opts
}
req.Header = header
//
// Set HTTP Basic authentication if userinfo is supplied
//
if userinfo != nil {
pwd, _ := userinfo.Password()
req.SetBasicAuth(userinfo.Username(), pwd)
if u.Scheme != "https" {
s.log("WARNING: Using HTTP Basic Auth in cleartext is insecure.")
}
}
//
// Execute the HTTP request
//
// Debug log request
s.log("--------------------------------------------------------------------------------")
s.log("REQUEST")
s.log("--------------------------------------------------------------------------------")
s.log(pretty(req))
s.log("Payload:")
if r.RawPayload && s.Log && buf != nil {
s.log(base64.StdEncoding.EncodeToString(buf.Bytes()))
} else {
s.log(pretty(r.Payload))
}
r.timestamp = time.Now()
var client *http.Client
if s.Client != nil {
client = s.Client
} else {
client = &http.Client{}
s.Client = client
}
resp, err := client.Do(req)
if err != nil {
s.log(err)
return
}
defer resp.Body.Close()
r.status = resp.StatusCode
r.response = resp
//
// Unmarshal
//
r.body, err = ioutil.ReadAll(resp.Body)
if err != nil {
s.log(err)
return
}
if string(r.body) != "" {
if resp.StatusCode < 300 && r.Result != nil {
err = json.Unmarshal(r.body, r.Result)
}
if resp.StatusCode >= 400 && r.Error != nil {
json.Unmarshal(r.body, r.Error) // Should we ignore unmarshall error?
}
}
rsp := Response(*r)
response = &rsp
// Debug log response
s.log("--------------------------------------------------------------------------------")
s.log("RESPONSE")
s.log("--------------------------------------------------------------------------------")
s.log("Status: ", response.status)
s.log("Header:")
s.log(pretty(response.HttpResponse().Header))
s.log("Body:")
if response.body != nil {
raw := json.RawMessage{}
if json.Unmarshal(response.body, &raw) == nil {
s.log(pretty(&raw))
} else {
s.log(pretty(response.RawText()))
}
} else {
s.log("Empty response body")
}
return
}
func basicAuth(user *url.Userinfo) string {
username := user.Username()
password, _ := user.Password()
return "Basic " + base64.StdEncoding.EncodeToString([]byte(username+":"+password))
}
// Send constructs and sends an HTTP request.
func (s *Session) SendPB(r *Request) (response *Response, err error) {
startTime := time.Now()
r.Method = strings.ToUpper(r.Method)
u, err := url.Parse(r.Url)
if err != nil {
s.log("URL", r.Url)
s.log(err)
return
}
p := Params{}
if s.Params != nil {
for k, v := range *s.Params {
p[k] = v
}
}
if r.Params != nil {
for k, v := range *r.Params {
p[k] = v
}
}
vals := u.Query()
for k, v := range p {
vals.Set(k, v)
}
u.RawQuery = vals.Encode()
header := http.Header{}
if s.Header != nil {
for k := range *s.Header {
v := s.Header.Get(k)
header.Set(k, v)
}
}
var req *http.Request
var buf *bytes.Buffer
if r.Payload != nil {
if r.RawPayload {
var ok bool
buf, ok = r.Payload.(*bytes.Buffer)
if !ok {
err = errors.New("Payload must be of type *bytes.Buffer if RawPayload is set to true")
return
}
} else {
var b []byte
b, err = json.Marshal(&r.Payload)
if err != nil {
s.log(err)
return
}
buf = bytes.NewBuffer(b)
}
if buf != nil {
req, err = http.NewRequest(r.Method, u.String(), buf)
} else {
req, err = http.NewRequest(r.Method, u.String(), nil)
}
if err != nil {
s.log(err)
return
}
header.Add("Content-Type", "application/json")
} else { // no data to encode
req, err = http.NewRequest(r.Method, u.String(), nil)
if err != nil {
s.log(err)
return
}
}
var userinfo *url.Userinfo
if u.User != nil {
userinfo = u.User
}
if s.Userinfo != nil {
userinfo = s.Userinfo
}
// Prefer Request's user credentials
if r.Userinfo != nil {
userinfo = r.Userinfo
}
if r.Header != nil {
for k, v := range *r.Header {
header.Set(k, v[0]) // Is there always guarnateed to be at least one value for a header?
}
}
if header.Get("Accept") == "" {
header.Add("Accept", "application/octet-stream")
}
req.Header = header
if userinfo != nil {
pwd, _ := userinfo.Password()
req.SetBasicAuth(userinfo.Username(), pwd)
if u.Scheme != "https" {
s.log("WARNING: Using HTTP Basic Auth in cleartext is insecure.")
}
}
s.log("--------------------------------------------------------------------------------")
s.log("REQUEST")
s.log("--------------------------------------------------------------------------------")
s.log(pretty(req))
s.log("Payload:")
if r.RawPayload && s.Log && buf != nil {
s.log(base64.StdEncoding.EncodeToString(buf.Bytes()))
} else {
s.log(pretty(r.Payload))
}
r.timestamp = time.Now()
var client *http.Client
if s.Client != nil {
client = s.Client
} else {
//client = NewClientSupportTimeout()
client = &http.Client{}
}
resp, err := client.Do(req)
if err != nil {
s.log(err)
fmt.Printf("[Neo4J-HTTP] | %s | %s | %s \n", r.Url, r.Method, err.Error())
return
}
defer resp.Body.Close()
r.status = resp.StatusCode
r.response = resp
r.body, err = ioutil.ReadAll(resp.Body)
if err != nil {
s.log(err)
return
}
if string(r.body) != "" {
if resp.StatusCode < 300 && r.Result != nil {
proto.Unmarshal(r.body, r.Result.(proto.Message))
}
//ignore 4xx or 5xx response
}
rsp := Response(*r)
response = &rsp
s.log("--------------------------------------------------------------------------------")
s.log("RESPONSE")
s.log("--------------------------------------------------------------------------------")
s.log("Status: ", response.status)
s.log("Header:")
s.log(pretty(response.HttpResponse().Header))
s.log("Body:")
if response.body != nil {
raw := json.RawMessage{}
if json.Unmarshal(response.body, &raw) == nil {
s.log(pretty(&raw))
} else {
s.log(pretty(response.RawText()))
}
} else {
s.log("Empty response body")
}
elapsed := float64(time.Since(startTime).Nanoseconds()) / 1000000.0
if elapsed > 100 {
fmt.Printf("[Neo4J-HTTP] | %d | %s | %s | %d | %.2fms | \n", time.Now().UnixNano()/1e6, r.Url, r.Method, resp.StatusCode, elapsed)
}
return
}
// Send constructs and sends an HTTP request.
func (s *Session) Send(inputRequest *Request, responseResult JsonDeserializer) (response *Response, err error) {
// Allocate a Response object and initialize its Result field with the responseResult we expect to see
response = &Response{
Result: responseResult,
}
// Extract Url
parsedUrl, err := url.Parse(inputRequest.Url)
if err != nil {
s.log("URL", inputRequest.Url)
s.log(err)
return
}
// Encode query parameters
if inputRequest.QueryParams != nil {
vals := parsedUrl.Query()
for k, v := range *inputRequest.QueryParams {
vals.Set(k, v)
}
parsedUrl.RawQuery = vals.Encode()
}
// Add generic headers
header := http.Header{}
if s.Header != nil {
for k, _ := range *s.Header {
v := s.Header.Get(k)
header.Set(k, v)
}
}
//
// Add Session specific headers
//
// Kill Bill Tenant headers from the Session
if s.ApiKey != "" && s.ApiSecret != "" {
header.Set("X-Killbill-ApiKey", s.ApiKey)
header.Set("X-Killbill-ApiSecret", s.ApiSecret)
}
// JSESSIONID
if s.JsessionId != "" {
header.Set("Cookie", s.JsessionId)
}
if inputRequest.Header != nil {
for k, v := range *inputRequest.Header {
header.Set(k, v[0])
}
}
// TODO only accept
if header.Get("Accept") == "" {
header.Add("Accept", "application/json")
}
// Create the http request
var req *http.Request
var buf *bytes.Buffer
inputRequest.Method = strings.ToUpper(inputRequest.Method)
if inputRequest.Body != nil {
var b []byte
b, err = json.Marshal(&inputRequest.Body)
if err != nil {
s.log(err)
return
}
//fmt.Printf("JSON :")
//fmt.Println(string(b))
buf = bytes.NewBuffer(b)
if buf != nil {
req, err = http.NewRequest(inputRequest.Method, parsedUrl.String(), buf)
} else {
req, err = http.NewRequest(inputRequest.Method, parsedUrl.String(), nil)
}
if err != nil {
s.log(err)
return
}
// TODO only support application/json
header.Add("Content-Type", "application/json")
} else {
req, err = http.NewRequest(inputRequest.Method, parsedUrl.String(), nil)
if err != nil {
s.log(err)
return
}
}
// Set all headers in the request
req.Header = header
// Basic Auth for the request
var userInfo *url.Userinfo
if parsedUrl.User != nil {
userInfo = parsedUrl.User
}
if s.Userinfo != nil {
userInfo = s.Userinfo
}
if userInfo != nil {
pwd, _ := userInfo.Password()
req.SetBasicAuth(userInfo.Username(), pwd)
}
// Debug log request
s.log("--------------------------------------------------------------------------------")
s.log("REQUEST")
s.log("--------------------------------------------------------------------------------")
s.log(pretty(req))
s.log("Body:")
s.log(pretty(inputRequest.Body))
// TODO we need to capture elapsed time
response.timestamp = time.Now()
//
// Execute the HTTP request
//
var client *http.Client
if s.Client != nil {
client = s.Client
} else {
client = &http.Client{}
}
resp, err := client.Do(req)
if err != nil {
s.log(err)
return
}
// Don't forget to close the stream on return
defer resp.Body.Close()
// Extract and set JSESSIONID into session
s.setJsessionId(resp.Header)
//
// Set Response
//
response.status = resp.StatusCode
response.httpResponse = resp
// Read body if status if good
if resp.StatusCode < 300 {
response.body, err = ioutil.ReadAll(resp.Body)
if err != nil {
s.log(err)
return
}
} else {
err = errors.New(fmt.Sprintf("%s%d", "Call failed with http status ", resp.StatusCode))
}
// TODO Only work for json
// Deserialize json if Result was provided
if string(response.body) != "" && response.Result != nil {
err = response.Result.FromJson(response.body)
}
// Debug log response
s.log("--------------------------------------------------------------------------------")
s.log("RESPONSE")
s.log("--------------------------------------------------------------------------------")
s.log("Status: ", response.status)
s.log("Result: ", response.Result)
return
}
// Hack based on Napping Send method to allow uploading files
func (s *OSession) Upload(r *napping.Request, file []byte) (response string, err error) {
r.Method = strings.ToUpper(r.Method)
//
// Create a URL object from the raw url string. This will allow us to compose
// query parameters programmatically and be guaranteed of a well-formed URL.
//
u, err := url.Parse(r.Url)
if err != nil {
log.Printf("%v", err)
return
}
//
// Default query parameters
//
p := url.Values{}
//
// Encode parameters
//
u.RawQuery = p.Encode()
//
// Create a Request object; if populated, Data field is JSON encoded as
// request body
//
header := http.Header{}
if s.Header != nil {
for k, _ := range *s.Header {
v := s.Header.Get(k)
header.Set(k, v)
}
}
var req *http.Request
buf := new(bytes.Buffer)
w := multipart.NewWriter(buf)
part, err := w.CreateFormFile("filename", "dbimport")
if err != nil {
log.Printf("FormFile %v", err)
}
part.Write(file)
err = w.Close()
req, err = http.NewRequest(r.Method, u.String(), buf)
header.Set("Content-Type", w.FormDataContentType())
//
// Merge Session and Request options
//
var userinfo *url.Userinfo
if u.User != nil {
userinfo = u.User
}
if s.Userinfo != nil {
userinfo = s.Userinfo
}
// Prefer Request's user credentials
if r.Userinfo != nil {
userinfo = r.Userinfo
}
if r.Header != nil {
for k, v := range *r.Header {
header.Set(k, v[0]) // Is there always guarnateed to be at least one value for a header?
}
}
if header.Get("Accept") == "" {
header.Add("Accept", "application/json") // Default, can be overridden with Opts
}
req.Header = header
//
// Set HTTP Basic authentication if userinfo is supplied
//
if userinfo != nil {
pwd, _ := userinfo.Password()
req.SetBasicAuth(userinfo.Username(), pwd)
if u.Scheme != "https" {
//s.log("WARNING: Using HTTP Basic Auth in cleartext is insecure.")
}
}
//
// Execute the HTTP request
//
var client *http.Client
if s.Client != nil {
client = s.Client
} else {
client = &http.Client{}
s.Client = client
}
resp, err := client.Do(req)
if err != nil {
log.Printf("%v", err)
return
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.Printf("Body: %v", err)
return
}
response = string(body)
return
}