Update traefik dependencies (docker/docker and related) (#1823)
Update traefik dependencies (docker/docker and related) - Update dependencies - Fix compilation problems - Remove vdemeester/docker-events (in docker api now) - Remove `integration/vendor` - Use `testImport` - update some deps. - regenerate the lock from scratch (after a `glide cc`)
This commit is contained in:
Vincent Demeester
Ludovic Fernandez
parent
7d178f49b4
commit
b7daa2f3a4
1301 changed files with 21476 additions and 150099 deletions
314
vendor/github.com/docker/distribution/registry/api/v2/urls.go
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314
vendor/github.com/docker/distribution/registry/api/v2/urls.go
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package v2
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import (
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"net"
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"net/http"
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"net/url"
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"strconv"
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"strings"
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"github.com/docker/distribution/reference"
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"github.com/gorilla/mux"
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)
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// URLBuilder creates registry API urls from a single base endpoint. It can be
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// used to create urls for use in a registry client or server.
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//
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// All urls will be created from the given base, including the api version.
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// For example, if a root of "/foo/" is provided, urls generated will be fall
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// under "/foo/v2/...". Most application will only provide a schema, host and
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// port, such as "https://localhost:5000/".
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type URLBuilder struct {
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root *url.URL // url root (ie http://localhost/)
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router *mux.Router
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relative bool
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}
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// NewURLBuilder creates a URLBuilder with provided root url object.
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func NewURLBuilder(root *url.URL, relative bool) *URLBuilder {
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return &URLBuilder{
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root: root,
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router: Router(),
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relative: relative,
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}
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}
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// NewURLBuilderFromString workes identically to NewURLBuilder except it takes
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// a string argument for the root, returning an error if it is not a valid
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// url.
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func NewURLBuilderFromString(root string, relative bool) (*URLBuilder, error) {
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u, err := url.Parse(root)
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if err != nil {
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return nil, err
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}
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return NewURLBuilder(u, relative), nil
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}
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// NewURLBuilderFromRequest uses information from an *http.Request to
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// construct the root url.
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func NewURLBuilderFromRequest(r *http.Request, relative bool) *URLBuilder {
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var scheme string
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forwardedProto := r.Header.Get("X-Forwarded-Proto")
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// TODO: log the error
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forwardedHeader, _, _ := parseForwardedHeader(r.Header.Get("Forwarded"))
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switch {
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case len(forwardedProto) > 0:
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scheme = forwardedProto
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case len(forwardedHeader["proto"]) > 0:
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scheme = forwardedHeader["proto"]
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case r.TLS != nil:
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scheme = "https"
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case len(r.URL.Scheme) > 0:
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scheme = r.URL.Scheme
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default:
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scheme = "http"
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}
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host := r.Host
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if forwardedHost := r.Header.Get("X-Forwarded-Host"); len(forwardedHost) > 0 {
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// According to the Apache mod_proxy docs, X-Forwarded-Host can be a
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// comma-separated list of hosts, to which each proxy appends the
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// requested host. We want to grab the first from this comma-separated
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// list.
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hosts := strings.SplitN(forwardedHost, ",", 2)
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host = strings.TrimSpace(hosts[0])
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} else if addr, exists := forwardedHeader["for"]; exists {
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host = addr
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} else if h, exists := forwardedHeader["host"]; exists {
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host = h
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}
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portLessHost, port := host, ""
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if !isIPv6Address(portLessHost) {
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// with go 1.6, this would treat the last part of IPv6 address as a port
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portLessHost, port, _ = net.SplitHostPort(host)
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}
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if forwardedPort := r.Header.Get("X-Forwarded-Port"); len(port) == 0 && len(forwardedPort) > 0 {
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ports := strings.SplitN(forwardedPort, ",", 2)
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forwardedPort = strings.TrimSpace(ports[0])
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if _, err := strconv.ParseInt(forwardedPort, 10, 32); err == nil {
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port = forwardedPort
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}
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}
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if len(portLessHost) > 0 {
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host = portLessHost
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}
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if len(port) > 0 {
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// remove enclosing brackets of ipv6 address otherwise they will be duplicated
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if len(host) > 1 && host[0] == '[' && host[len(host)-1] == ']' {
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host = host[1 : len(host)-1]
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}
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// JoinHostPort properly encloses ipv6 addresses in square brackets
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host = net.JoinHostPort(host, port)
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} else if isIPv6Address(host) && host[0] != '[' {
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// ipv6 needs to be enclosed in square brackets in urls
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host = "[" + host + "]"
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}
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basePath := routeDescriptorsMap[RouteNameBase].Path
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requestPath := r.URL.Path
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index := strings.Index(requestPath, basePath)
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u := &url.URL{
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Scheme: scheme,
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Host: host,
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}
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if index > 0 {
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// N.B. index+1 is important because we want to include the trailing /
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u.Path = requestPath[0 : index+1]
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}
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return NewURLBuilder(u, relative)
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}
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// BuildBaseURL constructs a base url for the API, typically just "/v2/".
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func (ub *URLBuilder) BuildBaseURL() (string, error) {
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route := ub.cloneRoute(RouteNameBase)
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baseURL, err := route.URL()
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if err != nil {
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return "", err
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}
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return baseURL.String(), nil
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}
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// BuildCatalogURL constructs a url get a catalog of repositories
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func (ub *URLBuilder) BuildCatalogURL(values ...url.Values) (string, error) {
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route := ub.cloneRoute(RouteNameCatalog)
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catalogURL, err := route.URL()
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if err != nil {
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return "", err
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}
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return appendValuesURL(catalogURL, values...).String(), nil
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}
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// BuildTagsURL constructs a url to list the tags in the named repository.
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func (ub *URLBuilder) BuildTagsURL(name reference.Named) (string, error) {
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route := ub.cloneRoute(RouteNameTags)
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tagsURL, err := route.URL("name", name.Name())
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if err != nil {
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return "", err
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}
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return tagsURL.String(), nil
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}
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// BuildManifestURL constructs a url for the manifest identified by name and
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// reference. The argument reference may be either a tag or digest.
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func (ub *URLBuilder) BuildManifestURL(ref reference.Named) (string, error) {
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route := ub.cloneRoute(RouteNameManifest)
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tagOrDigest := ""
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switch v := ref.(type) {
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case reference.Tagged:
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tagOrDigest = v.Tag()
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case reference.Digested:
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tagOrDigest = v.Digest().String()
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}
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manifestURL, err := route.URL("name", ref.Name(), "reference", tagOrDigest)
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if err != nil {
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return "", err
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}
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return manifestURL.String(), nil
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}
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// BuildBlobURL constructs the url for the blob identified by name and dgst.
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func (ub *URLBuilder) BuildBlobURL(ref reference.Canonical) (string, error) {
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route := ub.cloneRoute(RouteNameBlob)
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layerURL, err := route.URL("name", ref.Name(), "digest", ref.Digest().String())
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if err != nil {
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return "", err
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}
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return layerURL.String(), nil
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}
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// BuildBlobUploadURL constructs a url to begin a blob upload in the
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// repository identified by name.
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func (ub *URLBuilder) BuildBlobUploadURL(name reference.Named, values ...url.Values) (string, error) {
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route := ub.cloneRoute(RouteNameBlobUpload)
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uploadURL, err := route.URL("name", name.Name())
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if err != nil {
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return "", err
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}
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return appendValuesURL(uploadURL, values...).String(), nil
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}
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// BuildBlobUploadChunkURL constructs a url for the upload identified by uuid,
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// including any url values. This should generally not be used by clients, as
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// this url is provided by server implementations during the blob upload
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// process.
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func (ub *URLBuilder) BuildBlobUploadChunkURL(name reference.Named, uuid string, values ...url.Values) (string, error) {
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route := ub.cloneRoute(RouteNameBlobUploadChunk)
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uploadURL, err := route.URL("name", name.Name(), "uuid", uuid)
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if err != nil {
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return "", err
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}
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return appendValuesURL(uploadURL, values...).String(), nil
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}
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// clondedRoute returns a clone of the named route from the router. Routes
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// must be cloned to avoid modifying them during url generation.
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func (ub *URLBuilder) cloneRoute(name string) clonedRoute {
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route := new(mux.Route)
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root := new(url.URL)
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*route = *ub.router.GetRoute(name) // clone the route
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*root = *ub.root
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return clonedRoute{Route: route, root: root, relative: ub.relative}
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}
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type clonedRoute struct {
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*mux.Route
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root *url.URL
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relative bool
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}
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func (cr clonedRoute) URL(pairs ...string) (*url.URL, error) {
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routeURL, err := cr.Route.URL(pairs...)
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if err != nil {
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return nil, err
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}
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if cr.relative {
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return routeURL, nil
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}
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if routeURL.Scheme == "" && routeURL.User == nil && routeURL.Host == "" {
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routeURL.Path = routeURL.Path[1:]
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}
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url := cr.root.ResolveReference(routeURL)
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url.Scheme = cr.root.Scheme
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return url, nil
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}
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// appendValuesURL appends the parameters to the url.
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func appendValuesURL(u *url.URL, values ...url.Values) *url.URL {
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merged := u.Query()
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for _, v := range values {
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for k, vv := range v {
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merged[k] = append(merged[k], vv...)
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}
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}
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u.RawQuery = merged.Encode()
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return u
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}
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// appendValues appends the parameters to the url. Panics if the string is not
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// a url.
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func appendValues(u string, values ...url.Values) string {
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up, err := url.Parse(u)
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if err != nil {
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panic(err) // should never happen
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}
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return appendValuesURL(up, values...).String()
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}
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// isIPv6Address returns true if given string is a valid IPv6 address. No port is allowed. The address may be
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// enclosed in square brackets.
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func isIPv6Address(host string) bool {
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if len(host) > 1 && host[0] == '[' && host[len(host)-1] == ']' {
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host = host[1 : len(host)-1]
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}
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// The IPv6 scoped addressing zone identifier starts after the last percent sign.
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if i := strings.LastIndexByte(host, '%'); i > 0 {
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host = host[:i]
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}
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ip := net.ParseIP(host)
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if ip == nil {
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return false
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}
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if ip.To16() == nil {
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return false
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}
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if ip.To4() == nil {
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return true
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}
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// dot can be present in ipv4-mapped address, it needs to come after a colon though
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i := strings.IndexAny(host, ":.")
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return i >= 0 && host[i] == ':'
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}
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