"net/url"
"os"
"path/filepath"
+ "regexp"
"sort"
"strconv"
"strings"
return hashdigest(hmac.New(sha256.New, key), stringToSign), nil
}
+var v2tokenUnderscore = regexp.MustCompile(`^v2_[a-z0-9]{5}-gj3su-[a-z0-9]{15}_`)
+
+func unescapeKey(key string) string {
+ if v2tokenUnderscore.MatchString(key) {
+ // Entire Arvados token, with "/" replaced by "_" to
+ // avoid colliding with the Authorization header
+ // format.
+ return strings.Replace(key, "_", "/", -1)
+ } else if s, err := url.PathUnescape(key); err == nil {
+ return s
+ } else {
+ return key
+ }
+}
+
// checks3signature verifies the given S3 V4 signature and returns the
// Arvados token that corresponds to the given accessKey. An error is
// returned if accessKey is not a valid token UUID or the signature
} else {
// Access key and secret key are both an entire
// Arvados token or OIDC access token.
- ctx := arvados.ContextWithAuthorization(r.Context(), "Bearer "+key)
+ ctx := arvados.ContextWithAuthorization(r.Context(), "Bearer "+unescapeKey(key))
err = client.RequestAndDecodeContext(ctx, &aca, "GET", "arvados/v1/api_client_authorizations/current", nil, nil)
secret = key
}
} else if expect != signature {
return "", fmt.Errorf("signature does not match (scope %q signedHeaders %q stringToSign %q)", scope, signedHeaders, stringToSign)
}
- return secret, nil
+ return aca.TokenV2(), nil
}
+ func s3ErrorResponse(w http.ResponseWriter, s3code string, message string, resource string, code int) {
+ w.Header().Set("Content-Type", "application/xml")
+ w.Header().Set("X-Content-Type-Options", "nosniff")
+ w.WriteHeader(code)
+ var errstruct struct {
+ Code string
+ Message string
+ Resource string
+ RequestId string
+ }
+ errstruct.Code = s3code
+ errstruct.Message = message
+ errstruct.Resource = resource
+ errstruct.RequestId = ""
+ enc := xml.NewEncoder(w)
+ fmt.Fprint(w, xml.Header)
+ enc.EncodeElement(errstruct, xml.StartElement{Name: xml.Name{Local: "Error"}})
+ }
+
+ var NoSuchKey = "NoSuchKey"
+ var NoSuchBucket = "NoSuchBucket"
+ var InvalidArgument = "InvalidArgument"
+ var InternalError = "InternalError"
+ var UnauthorizedAccess = "UnauthorizedAccess"
+ var InvalidRequest = "InvalidRequest"
+ var SignatureDoesNotMatch = "SignatureDoesNotMatch"
+
// serveS3 handles r and returns true if r is a request from an S3
// client, otherwise it returns false.
func (h *handler) serveS3(w http.ResponseWriter, r *http.Request) bool {
if auth := r.Header.Get("Authorization"); strings.HasPrefix(auth, "AWS ") {
split := strings.SplitN(auth[4:], ":", 2)
if len(split) < 2 {
- http.Error(w, "malformed Authorization header", http.StatusUnauthorized)
+ s3ErrorResponse(w, InvalidRequest, "malformed Authorization header", r.URL.Path, http.StatusUnauthorized)
return true
}
- token = split[0]
+ token = unescapeKey(split[0])
} else if strings.HasPrefix(auth, s3SignAlgorithm+" ") {
t, err := h.checks3signature(r)
if err != nil {
- http.Error(w, "signature verification failed: "+err.Error(), http.StatusForbidden)
+ s3ErrorResponse(w, SignatureDoesNotMatch, "signature verification failed: "+err.Error(), r.URL.Path, http.StatusForbidden)
return true
}
token = t
_, kc, client, release, err := h.getClients(r.Header.Get("X-Request-Id"), token)
if err != nil {
- http.Error(w, "Pool failed: "+h.clientPool.Err().Error(), http.StatusInternalServerError)
+ s3ErrorResponse(w, InternalError, "Pool failed: "+h.clientPool.Err().Error(), r.URL.Path, http.StatusInternalServerError)
return true
}
defer release()
fs := client.SiteFileSystem(kc)
fs.ForwardSlashNameSubstitution(h.Config.cluster.Collections.ForwardSlashNameSubstitution)
- objectNameGiven := strings.Count(strings.TrimSuffix(r.URL.Path, "/"), "/") > 1
+ var objectNameGiven bool
+ fspath := "/by_id"
+ if id := parseCollectionIDFromDNSName(r.Host); id != "" {
+ fspath += "/" + id
+ objectNameGiven = strings.Count(strings.TrimSuffix(r.URL.Path, "/"), "/") > 0
+ } else {
+ objectNameGiven = strings.Count(strings.TrimSuffix(r.URL.Path, "/"), "/") > 1
+ }
+ fspath += r.URL.Path
switch {
case r.Method == http.MethodGet && !objectNameGiven:
}
return true
case r.Method == http.MethodGet || r.Method == http.MethodHead:
- fspath := "/by_id" + r.URL.Path
fi, err := fs.Stat(fspath)
if r.Method == "HEAD" && !objectNameGiven {
// HeadBucket
if err == nil && fi.IsDir() {
w.WriteHeader(http.StatusOK)
} else if os.IsNotExist(err) {
- w.WriteHeader(http.StatusNotFound)
+ s3ErrorResponse(w, NoSuchBucket, "The specified bucket does not exist.", r.URL.Path, http.StatusNotFound)
} else {
- http.Error(w, err.Error(), http.StatusBadGateway)
+ s3ErrorResponse(w, InternalError, err.Error(), r.URL.Path, http.StatusBadGateway)
}
return true
}
if os.IsNotExist(err) ||
(err != nil && err.Error() == "not a directory") ||
(fi != nil && fi.IsDir()) {
- http.Error(w, "not found", http.StatusNotFound)
+ s3ErrorResponse(w, NoSuchKey, "The specified key does not exist.", r.URL.Path, http.StatusNotFound)
return true
}
// shallow copy r, and change URL path
return true
case r.Method == http.MethodPut:
if !objectNameGiven {
- http.Error(w, "missing object name in PUT request", http.StatusBadRequest)
+ s3ErrorResponse(w, InvalidArgument, "Missing object name in PUT request.", r.URL.Path, http.StatusBadRequest)
return true
}
- fspath := "by_id" + r.URL.Path
var objectIsDir bool
if strings.HasSuffix(fspath, "/") {
if !h.Config.cluster.Collections.S3FolderObjects {
- http.Error(w, "invalid object name: trailing slash", http.StatusBadRequest)
+ s3ErrorResponse(w, InvalidArgument, "invalid object name: trailing slash", r.URL.Path, http.StatusBadRequest)
return true
}
n, err := r.Body.Read(make([]byte, 1))
if err != nil && err != io.EOF {
- http.Error(w, fmt.Sprintf("error reading request body: %s", err), http.StatusInternalServerError)
+ s3ErrorResponse(w, InternalError, fmt.Sprintf("error reading request body: %s", err), r.URL.Path, http.StatusInternalServerError)
return true
} else if n > 0 {
- http.Error(w, "cannot create object with trailing '/' char unless content is empty", http.StatusBadRequest)
+ s3ErrorResponse(w, InvalidArgument, "cannot create object with trailing '/' char unless content is empty", r.URL.Path, http.StatusBadRequest)
return true
} else if strings.SplitN(r.Header.Get("Content-Type"), ";", 2)[0] != "application/x-directory" {
- http.Error(w, "cannot create object with trailing '/' char unless Content-Type is 'application/x-directory'", http.StatusBadRequest)
+ s3ErrorResponse(w, InvalidArgument, "cannot create object with trailing '/' char unless Content-Type is 'application/x-directory'", r.URL.Path, http.StatusBadRequest)
return true
}
// Given PUT "foo/bar/", we'll use "foo/bar/."
fi, err := fs.Stat(fspath)
if err != nil && err.Error() == "not a directory" {
// requested foo/bar, but foo is a file
- http.Error(w, "object name conflicts with existing object", http.StatusBadRequest)
+ s3ErrorResponse(w, InvalidArgument, "object name conflicts with existing object", r.URL.Path, http.StatusBadRequest)
return true
}
if strings.HasSuffix(r.URL.Path, "/") && err == nil && !fi.IsDir() {
// requested foo/bar/, but foo/bar is a file
- http.Error(w, "object name conflicts with existing object", http.StatusBadRequest)
+ s3ErrorResponse(w, InvalidArgument, "object name conflicts with existing object", r.URL.Path, http.StatusBadRequest)
return true
}
// create missing parent/intermediate directories, if any
dir := fspath[:i]
if strings.HasSuffix(dir, "/") {
err = errors.New("invalid object name (consecutive '/' chars)")
- http.Error(w, err.Error(), http.StatusBadRequest)
+ s3ErrorResponse(w, InvalidArgument, err.Error(), r.URL.Path, http.StatusBadRequest)
return true
}
err = fs.Mkdir(dir, 0755)
// Cannot create a directory
// here.
err = fmt.Errorf("mkdir %q failed: %w", dir, err)
- http.Error(w, err.Error(), http.StatusBadRequest)
+ s3ErrorResponse(w, InvalidArgument, err.Error(), r.URL.Path, http.StatusBadRequest)
return true
} else if err != nil && !os.IsExist(err) {
err = fmt.Errorf("mkdir %q failed: %w", dir, err)
- http.Error(w, err.Error(), http.StatusInternalServerError)
+ s3ErrorResponse(w, InternalError, err.Error(), r.URL.Path, http.StatusInternalServerError)
return true
}
}
}
if err != nil {
err = fmt.Errorf("open %q failed: %w", r.URL.Path, err)
- http.Error(w, err.Error(), http.StatusBadRequest)
+ s3ErrorResponse(w, InvalidArgument, err.Error(), r.URL.Path, http.StatusBadRequest)
return true
}
defer f.Close()
_, err = io.Copy(f, r.Body)
if err != nil {
err = fmt.Errorf("write to %q failed: %w", r.URL.Path, err)
- http.Error(w, err.Error(), http.StatusBadGateway)
+ s3ErrorResponse(w, InternalError, err.Error(), r.URL.Path, http.StatusBadGateway)
return true
}
err = f.Close()
if err != nil {
err = fmt.Errorf("write to %q failed: close: %w", r.URL.Path, err)
- http.Error(w, err.Error(), http.StatusBadGateway)
+ s3ErrorResponse(w, InternalError, err.Error(), r.URL.Path, http.StatusBadGateway)
return true
}
}
err = fs.Sync()
if err != nil {
err = fmt.Errorf("sync failed: %w", err)
- http.Error(w, err.Error(), http.StatusInternalServerError)
+ s3ErrorResponse(w, InternalError, err.Error(), r.URL.Path, http.StatusInternalServerError)
return true
}
w.WriteHeader(http.StatusOK)
return true
case r.Method == http.MethodDelete:
if !objectNameGiven || r.URL.Path == "/" {
- http.Error(w, "missing object name in DELETE request", http.StatusBadRequest)
+ s3ErrorResponse(w, InvalidArgument, "missing object name in DELETE request", r.URL.Path, http.StatusBadRequest)
return true
}
- fspath := "by_id" + r.URL.Path
if strings.HasSuffix(fspath, "/") {
fspath = strings.TrimSuffix(fspath, "/")
fi, err := fs.Stat(fspath)
w.WriteHeader(http.StatusNoContent)
return true
} else if err != nil {
- http.Error(w, err.Error(), http.StatusInternalServerError)
+ s3ErrorResponse(w, InternalError, err.Error(), r.URL.Path, http.StatusInternalServerError)
return true
} else if !fi.IsDir() {
// if "foo" exists and is a file, then
}
if err != nil {
err = fmt.Errorf("rm failed: %w", err)
- http.Error(w, err.Error(), http.StatusBadRequest)
+ s3ErrorResponse(w, InvalidArgument, err.Error(), r.URL.Path, http.StatusBadRequest)
return true
}
err = fs.Sync()
if err != nil {
err = fmt.Errorf("sync failed: %w", err)
- http.Error(w, err.Error(), http.StatusInternalServerError)
+ s3ErrorResponse(w, InternalError, err.Error(), r.URL.Path, http.StatusInternalServerError)
return true
}
w.WriteHeader(http.StatusNoContent)
return true
default:
- http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+ s3ErrorResponse(w, InvalidRequest, "method not allowed", r.URL.Path, http.StatusMethodNotAllowed)
+
return true
}
}
"fmt"
"io/ioutil"
"net/http"
+ "net/url"
"os"
"os/exec"
"strings"
secretkey string
}{
{true, aws.V2Signature, arvadostest.ActiveToken, "none"},
+ {true, aws.V2Signature, url.QueryEscape(arvadostest.ActiveTokenV2), "none"},
+ {true, aws.V2Signature, strings.Replace(arvadostest.ActiveTokenV2, "/", "_", -1), "none"},
{false, aws.V2Signature, "none", "none"},
{false, aws.V2Signature, "none", arvadostest.ActiveToken},
{true, aws.V4Signature, arvadostest.ActiveTokenUUID, arvadostest.ActiveToken},
{true, aws.V4Signature, arvadostest.ActiveToken, arvadostest.ActiveToken},
+ {true, aws.V4Signature, url.QueryEscape(arvadostest.ActiveTokenV2), url.QueryEscape(arvadostest.ActiveTokenV2)},
+ {true, aws.V4Signature, strings.Replace(arvadostest.ActiveTokenV2, "/", "_", -1), strings.Replace(arvadostest.ActiveTokenV2, "/", "_", -1)},
{false, aws.V4Signature, arvadostest.ActiveToken, ""},
{false, aws.V4Signature, arvadostest.ActiveToken, "none"},
{false, aws.V4Signature, "none", arvadostest.ActiveToken},
// GetObject
rdr, err = bucket.GetReader(prefix + "missingfile")
- c.Check(err, check.ErrorMatches, `404 Not Found`)
+ c.Check(err.(*s3.Error).StatusCode, check.Equals, 404)
+ c.Check(err.(*s3.Error).Code, check.Equals, `NoSuchKey`)
+ c.Check(err, check.ErrorMatches, `The specified key does not exist.`)
// HeadObject
exists, err := bucket.Exists(prefix + "missingfile")
objname := prefix + trial.path
_, err := bucket.GetReader(objname)
- c.Assert(err, check.ErrorMatches, `404 Not Found`)
+ c.Check(err.(*s3.Error).StatusCode, check.Equals, 404)
+ c.Check(err.(*s3.Error).Code, check.Equals, `NoSuchKey`)
+ c.Assert(err, check.ErrorMatches, `The specified key does not exist.`)
buf := make([]byte, trial.size)
rand.Read(buf)
c.Logf("=== %v", trial)
_, err := bucket.GetReader(trial.path)
- c.Assert(err, check.ErrorMatches, `404 Not Found`)
+ c.Check(err.(*s3.Error).StatusCode, check.Equals, 404)
+ c.Check(err.(*s3.Error).Code, check.Equals, `NoSuchKey`)
+ c.Assert(err, check.ErrorMatches, `The specified key does not exist.`)
buf := make([]byte, trial.size)
rand.Read(buf)
err = bucket.PutReader(trial.path, bytes.NewReader(buf), int64(len(buf)), trial.contentType, s3.Private, s3.Options{})
- c.Check(err, check.ErrorMatches, `400 Bad Request`)
+ c.Check(err.(*s3.Error).StatusCode, check.Equals, 400)
+ c.Check(err.(*s3.Error).Code, check.Equals, `InvalidArgument`)
+ c.Check(err, check.ErrorMatches, `(mkdir "by_id/zzzzz-j7d0g-[a-z0-9]{15}/newdir2?"|open "/zzzzz-j7d0g-[a-z0-9]{15}/newfile") failed: invalid argument`)
_, err = bucket.GetReader(trial.path)
- c.Assert(err, check.ErrorMatches, `404 Not Found`)
+ c.Check(err.(*s3.Error).StatusCode, check.Equals, 404)
+ c.Check(err.(*s3.Error).Code, check.Equals, `NoSuchKey`)
+ c.Assert(err, check.ErrorMatches, `The specified key does not exist.`)
}
}
rand.Read(buf)
err := bucket.PutReader(objname, bytes.NewReader(buf), int64(len(buf)), "application/octet-stream", s3.Private, s3.Options{})
- if !c.Check(err, check.ErrorMatches, `400 Bad.*`, check.Commentf("PUT %q should fail", objname)) {
+ if !c.Check(err, check.ErrorMatches, `(invalid object name.*|open ".*" failed.*|object name conflicts with existing object|Missing object name in PUT request.)`, check.Commentf("PUT %q should fail", objname)) {
return
}
if objname != "" && objname != "/" {
_, err = bucket.GetReader(objname)
- c.Check(err, check.ErrorMatches, `404 Not Found`, check.Commentf("GET %q should return 404", objname))
+ c.Check(err.(*s3.Error).StatusCode, check.Equals, 404)
+ c.Check(err.(*s3.Error).Code, check.Equals, `NoSuchKey`)
+ c.Check(err, check.ErrorMatches, `The specified key does not exist.`, check.Commentf("GET %q should return 404", objname))
}
}()
}
c.Check(err, check.IsNil)
c.Check(string(buf), check.Matches, `.* 3 +s3://`+arvadostest.FooCollection+`/foo\n`)
}
+
+func (s *IntegrationSuite) TestS3BucketInHost(c *check.C) {
+ stage := s.s3setup(c)
+ defer stage.teardown(c)
+
+ hdr, body, _ := s.runCurl(c, "AWS "+arvadostest.ActiveTokenV2+":none", stage.coll.UUID+".collections.example.com", "/sailboat.txt")
+ c.Check(hdr, check.Matches, `(?s)HTTP/1.1 200 OK\r\n.*`)
+ c.Check(body, check.Equals, "⛵\n")
+}
} {
hdr, body, _ := s.runCurl(c, token, "collections.example.com", "/collections/"+arvadostest.FooCollection+"/foo")
c.Check(hdr, check.Matches, `(?s)HTTP/1.1 404 Not Found\r\n.*`)
- c.Check(body, check.Equals, "")
+ c.Check(body, check.Equals, notFoundMessage+"\n")
if token != "" {
hdr, body, _ = s.runCurl(c, token, "collections.example.com", "/collections/download/"+arvadostest.FooCollection+"/"+token+"/foo")
c.Check(hdr, check.Matches, `(?s)HTTP/1.1 404 Not Found\r\n.*`)
- c.Check(body, check.Equals, "")
+ c.Check(body, check.Equals, notFoundMessage+"\n")
}
hdr, body, _ = s.runCurl(c, token, "collections.example.com", "/bad-route")
c.Check(hdr, check.Matches, `(?s)HTTP/1.1 404 Not Found\r\n.*`)
- c.Check(body, check.Equals, "")
+ c.Check(body, check.Equals, notFoundMessage+"\n")
}
}
hdr, body, _ := s.runCurl(c, arvadostest.ActiveToken, "collections.example.com", uri)
c.Check(hdr, check.Matches, "(?s)HTTP/1.1 404 Not Found\r\n.*")
if len(body) > 0 {
- c.Check(body, check.Equals, "404 page not found\n")
+ c.Check(body, check.Equals, notFoundMessage+"\n")
}
}
}
}
// Return header block and body.
-func (s *IntegrationSuite) runCurl(c *check.C, token, host, uri string, args ...string) (hdr, bodyPart string, bodySize int64) {
+func (s *IntegrationSuite) runCurl(c *check.C, auth, host, uri string, args ...string) (hdr, bodyPart string, bodySize int64) {
curlArgs := []string{"--silent", "--show-error", "--include"}
testHost, testPort, _ := net.SplitHostPort(s.testServer.Addr)
curlArgs = append(curlArgs, "--resolve", host+":"+testPort+":"+testHost)
- if token != "" {
- curlArgs = append(curlArgs, "-H", "Authorization: OAuth2 "+token)
+ if strings.Contains(auth, " ") {
+ // caller supplied entire Authorization header value
+ curlArgs = append(curlArgs, "-H", "Authorization: "+auth)
+ } else if auth != "" {
+ // caller supplied Arvados token
+ curlArgs = append(curlArgs, "-H", "Authorization: Bearer "+auth)
}
curlArgs = append(curlArgs, args...)
curlArgs = append(curlArgs, "http://"+host+":"+testPort+uri)
projects / arvados.git / commitdiff