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Rename --host => --root-url

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This commit is contained in:
Daan Sprenkels 2019-12-17 15:43:32 +05:30
parent 3d07acb222
commit ffeb9a3362
7 changed files with 53 additions and 36 deletions
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6
assets/templates/html/index.html.tmpl
View File

@ -28,10 +28,10 @@ the command line.
<h2>Command line API</h2>
<pre>
# Upload a file
curl -F'file=@yourfile.png' <a href="{{.Host}}">{{.Host}}</a>
curl -F'file=@yourfile.png' <a href="{{.RootURL}}">{{.RootURL}}</a>
# Shorten a URL
curl -F'shorten=http://example.com/some/long/url' <a href="{{.Host}}">{{.Host}}</a>
curl -F'shorten=http://example.com/some/long/url' <a href="{{.RootURL}}">{{.RootURL}}</a>
# The first line of the result will contain the shortened URL.
#
@ -39,6 +39,6 @@ the command line.
# information on how to delete the shortened object.
# To upload a file and only extract the shortened URL (i.e. throw away the rest)
curl -F'file=@yourfile.png' <a href="{{.Host}}">{{.Host}}</a> | head -n 1
curl -F'file=@yourfile.png' <a href="{{.RootURL}}">{{.RootURL}}</a> | head -n 1
</pre>
{{end}}

6
assets/templates/html/pasteMeta.html.tmpl
View File

@ -4,10 +4,10 @@
{{define "body"}}
<pre>
<a href="{{.Host}}/{{.Paste.Key}}{{.FileExt}}">{{.Host}}/{{.Paste.Key}}{{.FileExt}}</a>
<a href="{{.RootURL}}/{{.Paste.Key}}{{.FileExt}}">{{.RootURL}}/{{.Paste.Key}}{{.FileExt}}</a>
---
{{if and (ne .Paste.State.String "deleted") .CanDeleteBool}}
with delete token: <a href="{{.Host}}/{{.Paste.Key}}{{.FileExt}}?deleteToken={{.Paste.DeleteToken}}">{{.Host}}/{{.Paste.Key}}{{.FileExt}}?deleteToken={{.Paste.DeleteToken}}</a>
with delete token: <a href="{{.RootURL}}/{{.Paste.Key}}{{.FileExt}}?deleteToken={{.Paste.DeleteToken}}">{{.RootURL}}/{{.Paste.Key}}{{.FileExt}}?deleteToken={{.Paste.DeleteToken}}</a>
{{else -}}
with delete token: &lt;unknown&gt;
{{end -}}
@ -22,7 +22,7 @@ delete token: {{.CanDelete}}
{{if and (ne .Paste.State.String "deleted") .CanDeleteBool}}
```
curl --request "DELETE" "<a href="{{.Host}}/{{.Paste.Key}}{{.FileExt}}?deleteToken={{.Paste.DeleteToken}}">{{.Host}}/{{.Paste.Key}}{{.FileExt}}?deleteToken={{.Paste.DeleteToken}}"</a>
curl --request "DELETE" "<a href="{{.RootURL}}/{{.Paste.Key}}{{.FileExt}}?deleteToken={{.Paste.DeleteToken}}">{{.RootURL}}/{{.Paste.Key}}{{.FileExt}}?deleteToken={{.Paste.DeleteToken}}"</a>
```
</pre>
{{end}}

6
assets/templates/txt/index.txt.tmpl
View File

@ -7,10 +7,10 @@ the command line.
## USAGE
# Upload a file
curl -F'file=@yourfile.png' {{.Host}}
curl -F'file=@yourfile.png' {{.RootURL}}
# Shorten a URL
curl -F'shorten=http://example.com/some/long/url' {{.Host}}
curl -F'shorten=http://example.com/some/long/url' {{.RootURL}}
# The first line of the result will contain the shortened URL.
#
@ -18,4 +18,4 @@ the command line.
# information on how to delete the shortened object.
# To upload a file and only extract the shortened URL (i.e. throw away the rest)
curl -F'file=@yourfile.png' {{.Host}} | head -n 1
curl -F'file=@yourfile.png' {{.RootURL}} | head -n 1

6
assets/templates/txt/pasteMeta.txt.tmpl
View File

@ -1,7 +1,7 @@
{{.Host}}/{{.Paste.Key}}{{.FileExt}}
{{.RootURL}}/{{.Paste.Key}}{{.FileExt}}
---
{{if and (ne .Paste.State.String "deleted") .CanDeleteBool}}
with delete token: {{.Host}}/{{.Paste.Key}}{{.FileExt}}?deleteToken={{.Request.URL.Query.Get "deleteToken"}}
with delete token: {{.RootURL}}/{{.Paste.Key}}{{.FileExt}}?deleteToken={{.Paste.DeleteToken}}
{{else -}}
with delete token: <unknown>
{{end -}}type: {{.Paste.Type}}
@ -16,6 +16,6 @@ delete token: {{.CanDelete}}
{{if and (ne .Paste.State.String "deleted") .CanDeleteBool}}
```
# To delete this {{.Paste.Type}}, execute:
curl --request "DELETE" "{{.Host}}/{{.Paste.Key}}{{.FileExt}}?deleteToken={{.Paste.DeleteToken}}"
curl --request "DELETE" "{{.RootURL}}/{{.Paste.Key}}{{.FileExt}}?deleteToken={{.Paste.DeleteToken}}"
```
{{end}}

4
cmd/rushlink/main.go
View File

@ -13,7 +13,7 @@ var (
fileStorePath = flag.String("file-store", "", "path to the directory where uploaded files will be stored")
httpListen = flag.String("listen", "127.0.0.1:8000", "listen address (host:port)")
metricsListen = flag.String("metrics_listen", "127.0.0.1:58614", "listen address for metrics (host:port)")
hostURL = flag.String("host", "", "host root (defaults to using the request 'Host' header with HTTPS")
rootURL = flag.String("root_url", "", "host root (example: 'https://example.com', uses an educated guess if omitted)")
)
func main() {
@ -30,5 +30,5 @@ func main() {
defer database.Close()
go rushlink.StartMetricsServer(*metricsListen, database, filestore)
rushlink.StartMainServer(*httpListen, database, filestore, hostURL)
rushlink.StartMainServer(*httpListen, database, filestore, *rootURL)
}

28
router.go
View File

@ -19,13 +19,13 @@ const urlKeyExpr = "{key:[A-Za-z0-9-_]{4,}}"
const urlKeyWithExtExpr = urlKeyExpr + "{ext:\\.[A-Za-z0-9-_]+}"
type rushlink struct {
db *db.Database
fs *db.FileStore
host *url.URL
db *db.Database
fs *db.FileStore
rootURL *url.URL
}
func (rl *rushlink) Host() *url.URL {
return rl.host
func (rl *rushlink) RootURL() *url.URL {
return rl.rootURL
}
func (rl *rushlink) recoveryMiddleware(next http.Handler) http.Handler {
@ -80,21 +80,19 @@ func (w *statusResponseWriter) WriteHeader(statusCode int) {
}
// StartMainServer starts the main http server listening on addr.
func StartMainServer(addr string, db *db.Database, fs *db.FileStore, rawhost *string) {
var host *url.URL
if rawhost != nil {
func StartMainServer(addr string, db *db.Database, fs *db.FileStore, rawRootURL string) {
var rootURL *url.URL
if rawRootURL != "" {
var err error
host, err = url.Parse(*rawhost)
rootURL, err = url.Parse(rawRootURL)
if err != nil {
log.Fatalln(errors.Wrap(err, "could not parse host flag"))
log.Fatalln(errors.Wrap(err, "could not parse rootURL flag"))
}
} else {
log.Println("warning: the --host flag will be required in the future")
}
rl := rushlink{
db: db,
fs: fs,
host: host,
db: db,
fs: fs,
rootURL: rootURL,
}
// Initialize Gorilla router

33
views.go
View File

@ -21,7 +21,7 @@ import (
"github.com/pkg/errors"
)
const defaultScheme = "https"
const defaultScheme = "http"
// Plain text templates
var textBaseTemplate *text.Template = text.Must(text.New("").Parse(string(MustAsset("templates/txt/base.txt.tmpl"))))
@ -107,7 +107,7 @@ func (rl *rushlink) render(w http.ResponseWriter, r *http.Request, tmplName stri
}
// Add the request to the template data
mapExtend(data, "Host", rl.resolveHost(r))
mapExtend(data, "RootURL", rl.resolveRootURL(r))
mapExtend(data, "Request", r)
switch contentType {
@ -165,19 +165,38 @@ func (rl *rushlink) renderInternalServerError(w http.ResponseWriter, r *http.Req
rl.renderError(w, r, http.StatusInternalServerError, msg)
}
// resolveHost constructs the `scheme://host` part of rushlinks public API.
// resolveRootURL constructs the `scheme://host` part of rushlinks public API.
//
// If the `--host` flag is set, it will return that URL.
// If the `--root_url` flag is set, it will return that URL.
// Otherwise, this function will return 'https://{Host}', where `{Host}` is
// the value provided by the client in the HTTP `Host` header. This value may
// be invalid, but it is impossible to handle this error (because we *cannot*
// know the real host).
func (rl *rushlink) resolveHost(r *http.Request) string {
rlHost := rl.Host()
func (rl *rushlink) resolveRootURL(r *http.Request) string {
rlHost := rl.RootURL()
if rlHost != nil {
// Root URL overridden by command line arguments
log.Println("override")
return rlHost.String()
}
return defaultScheme + r.Host
// Guess scheme
scheme := defaultScheme
forwardedScheme := r.Header.Get("X-Forwarded-Proto")
switch forwardedScheme {
case "http":
scheme = "http"
break
case "https":
scheme = "https"
break
}
// Guess host
host := r.Host
if forwardedHost := r.Header.Get("X-Forwarded-Host"); forwardedHost != "" {
host = forwardedHost
}
return scheme + "://" + host
}
// Try to resolve the preferred content-type for the response to this request.