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Commit6bb1a34

Browse files
authored
fix: allow ports in wildcard url configuration (#11657)
* fix: allow ports in wildcard url configurationThis just forwards the port to the ui that generates urls.Our existing parsing + regex already supported ports forsubdomain app requests.
1 parent1f0e6ba commit6bb1a34

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12 files changed

+203
-31
lines changed

12 files changed

+203
-31
lines changed

‎coderd/agentapi/manifest.go‎

Lines changed: 14 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,6 @@ package agentapi
33
import (
44
"context"
55
"database/sql"
6-
"fmt"
76
"net/url"
87
"strings"
98
"sync/atomic"
@@ -108,19 +107,14 @@ func (a *ManifestAPI) GetManifest(ctx context.Context, _ *agentproto.GetManifest
108107
returnnil,xerrors.Errorf("fetching workspace agent data: %w",err)
109108
}
110109

111-
appHost:= appurl.ApplicationURL{
110+
appSlug:= appurl.ApplicationURL{
112111
AppSlugOrPort:"{{port}}",
113112
AgentName:workspaceAgent.Name,
114113
WorkspaceName:workspace.Name,
115114
Username:owner.Username,
116115
}
117-
vscodeProxyURI:=a.AccessURL.Scheme+"://"+strings.ReplaceAll(a.AppHostname,"*",appHost.String())
118-
ifa.AppHostname=="" {
119-
vscodeProxyURI+=a.AccessURL.Hostname()
120-
}
121-
ifa.AccessURL.Port()!="" {
122-
vscodeProxyURI+=fmt.Sprintf(":%s",a.AccessURL.Port())
123-
}
116+
117+
vscodeProxyURI:=vscodeProxyURI(appSlug,a.AccessURL,a.AppHostname)
124118

125119
vargitAuthConfigsuint32
126120
for_,cfg:=rangea.ExternalAuthConfigs {
@@ -155,6 +149,17 @@ func (a *ManifestAPI) GetManifest(ctx context.Context, _ *agentproto.GetManifest
155149
},nil
156150
}
157151

152+
funcvscodeProxyURI(app appurl.ApplicationURL,accessURL*url.URL,appHoststring)string {
153+
// This will handle the ports from the accessURL or appHost.
154+
appHost=appurl.SubdomainAppHost(appHost,accessURL)
155+
// If there is no appHost, then we want to use the access url as the proxy uri.
156+
ifappHost=="" {
157+
appHost=accessURL.Host
158+
}
159+
// Return the url with a scheme and any wildcards replaced with the app slug.
160+
returnaccessURL.Scheme+"://"+strings.ReplaceAll(appHost,"*",app.String())
161+
}
162+
158163
funcdbAgentMetadataToProtoDescription(metadata []database.WorkspaceAgentMetadatum) []*agentproto.WorkspaceAgentMetadata_Description {
159164
ret:=make([]*agentproto.WorkspaceAgentMetadata_Description,len(metadata))
160165
fori,metadatum:=rangemetadata {
Lines changed: 94 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,94 @@
1+
package agentapi
2+
3+
import (
4+
"fmt"
5+
"net/url"
6+
"testing"
7+
8+
"github.com/stretchr/testify/require"
9+
10+
"github.com/coder/coder/v2/coderd/workspaceapps/appurl"
11+
)
12+
13+
funcTest_vscodeProxyURI(t*testing.T) {
14+
t.Parallel()
15+
16+
coderAccessURL,err:=url.Parse("https://coder.com")
17+
require.NoError(t,err)
18+
19+
accessURLWithPort,err:=url.Parse("https://coder.com:8080")
20+
require.NoError(t,err)
21+
22+
basicApp:= appurl.ApplicationURL{
23+
Prefix:"prefix",
24+
AppSlugOrPort:"slug",
25+
AgentName:"agent",
26+
WorkspaceName:"workspace",
27+
Username:"user",
28+
}
29+
30+
cases:= []struct {
31+
Namestring
32+
App appurl.ApplicationURL
33+
AccessURL*url.URL
34+
AppHostnamestring
35+
Expectedstring
36+
}{
37+
{
38+
// No hostname proxies through the access url.
39+
Name:"NoHostname",
40+
AccessURL:coderAccessURL,
41+
AppHostname:"",
42+
App:basicApp,
43+
Expected:coderAccessURL.String(),
44+
},
45+
{
46+
Name:"NoHostnameAccessURLPort",
47+
AccessURL:accessURLWithPort,
48+
AppHostname:"",
49+
App:basicApp,
50+
Expected:accessURLWithPort.String(),
51+
},
52+
{
53+
Name:"Hostname",
54+
AccessURL:coderAccessURL,
55+
AppHostname:"*.apps.coder.com",
56+
App:basicApp,
57+
Expected:fmt.Sprintf("https://%s.apps.coder.com",basicApp.String()),
58+
},
59+
{
60+
Name:"HostnameWithAccessURLPort",
61+
AccessURL:accessURLWithPort,
62+
AppHostname:"*.apps.coder.com",
63+
App:basicApp,
64+
Expected:fmt.Sprintf("https://%s.apps.coder.com:%s",basicApp.String(),accessURLWithPort.Port()),
65+
},
66+
{
67+
Name:"HostnameWithPort",
68+
AccessURL:coderAccessURL,
69+
AppHostname:"*.apps.coder.com:4444",
70+
App:basicApp,
71+
Expected:fmt.Sprintf("https://%s.apps.coder.com:%s",basicApp.String(),"4444"),
72+
},
73+
{
74+
// Port from hostname takes precedence over access url port.
75+
Name:"HostnameWithPortAccessURLWithPort",
76+
AccessURL:accessURLWithPort,
77+
AppHostname:"*.apps.coder.com:4444",
78+
App:basicApp,
79+
Expected:fmt.Sprintf("https://%s.apps.coder.com:%s",basicApp.String(),"4444"),
80+
},
81+
}
82+
83+
for_,c:=rangecases {
84+
c:=c
85+
t.Run(c.Name,func(t*testing.T) {
86+
t.Parallel()
87+
88+
require.NotNilf(t,c.AccessURL,"AccessURL is required")
89+
90+
output:=vscodeProxyURI(c.App,c.AccessURL,c.AppHostname)
91+
require.Equal(t,c.Expected,output)
92+
})
93+
}
94+
}

‎coderd/coderd.go‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -93,7 +93,7 @@ type Options struct {
9393
// AppHostname should be the wildcard hostname to use for workspace
9494
// applications INCLUDING the asterisk, (optional) suffix and leading dot.
9595
// It will use the same scheme and port number as the access URL.
96-
// E.g. "*.apps.coder.com" or "*-apps.coder.com".
96+
// E.g. "*.apps.coder.com" or "*-apps.coder.com" or "*.apps.coder.com:8080".
9797
AppHostnamestring
9898
// AppHostnameRegex contains the regex version of options.AppHostname as
9999
// generated by appurl.CompileHostnamePattern(). It MUST be set if

‎coderd/workspaceapps.go‎

Lines changed: 1 addition & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,6 @@ package coderd
33
import (
44
"context"
55
"database/sql"
6-
"fmt"
76
"net/http"
87
"net/url"
98
"strings"
@@ -32,13 +31,8 @@ import (
3231
// @Router /applications/host [get]
3332
// @Deprecated use api/v2/regions and see the primary proxy.
3433
func (api*API)appHost(rw http.ResponseWriter,r*http.Request) {
35-
host:=api.AppHostname
36-
ifhost!=""&&api.AccessURL.Port()!="" {
37-
host+=fmt.Sprintf(":%s",api.AccessURL.Port())
38-
}
39-
4034
httpapi.Write(r.Context(),rw,http.StatusOK, codersdk.AppHostResponse{
41-
Host:host,
35+
Host:appurl.SubdomainAppHost(api.AppHostname,api.AccessURL),
4236
})
4337
}
4438

‎coderd/workspaceapps/apptest/apptest.go‎

Lines changed: 32 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -963,6 +963,38 @@ func Run(t *testing.T, appHostIsPrimary bool, factory DeploymentFactory) {
963963
require.Equal(t,http.StatusOK,resp.StatusCode)
964964
})
965965

966+
t.Run("WildcardPortOK",func(t*testing.T) {
967+
t.Parallel()
968+
969+
// Manually specifying a port should override the access url port on
970+
// the app host.
971+
appDetails:=setupProxyTest(t,&DeploymentOptions{
972+
// Just throw both the wsproxy and primary to same url.
973+
AppHost:"*.test.coder.com:4444",
974+
PrimaryAppHost:"*.test.coder.com:4444",
975+
})
976+
977+
ctx,cancel:=context.WithTimeout(context.Background(),testutil.WaitLong)
978+
defercancel()
979+
980+
u:=appDetails.SubdomainAppURL(appDetails.Apps.Owner)
981+
t.Logf("url: %s",u)
982+
require.Equal(t,"4444",u.Port(),"port should be 4444")
983+
984+
// Assert the api response the UI uses has the port.
985+
apphost,err:=appDetails.SDKClient.AppHost(ctx)
986+
require.NoError(t,err)
987+
require.Equal(t,"*.test.coder.com:4444",apphost.Host,"apphost has port")
988+
989+
resp,err:=requestWithRetries(ctx,t,appDetails.AppClient(t),http.MethodGet,u.String(),nil)
990+
require.NoError(t,err)
991+
deferresp.Body.Close()
992+
body,err:=io.ReadAll(resp.Body)
993+
require.NoError(t,err)
994+
require.Equal(t,proxyTestAppBody,string(body))
995+
require.Equal(t,http.StatusOK,resp.StatusCode)
996+
})
997+
966998
t.Run("SuffixWildcardNotMatch",func(t*testing.T) {
967999
t.Parallel()
9681000

‎coderd/workspaceapps/apptest/setup.go‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -47,6 +47,7 @@ const (
4747
// DeploymentOptions are the options for creating a *Deployment with a
4848
// DeploymentFactory.
4949
typeDeploymentOptionsstruct {
50+
PrimaryAppHoststring
5051
AppHoststring
5152
DisablePathAppsbool
5253
DisableSubdomainAppsbool
@@ -407,7 +408,7 @@ func createWorkspaceWithApps(t *testing.T, client *codersdk.Client, orgID uuid.U
407408
Username:me.Username,
408409
}
409410
proxyURL:="http://"+appHost.String()+strings.ReplaceAll(primaryAppHost.Host,"*","")
410-
require.Equal(t,proxyURL,manifest.VSCodePortProxyURI)
411+
require.Equal(t,manifest.VSCodePortProxyURI,proxyURL)
411412
}
412413
agentCloser:=agent.New(agent.Options{
413414
Client:agentClient,

‎coderd/workspaceapps/appurl/appurl.go‎

Lines changed: 42 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -3,6 +3,7 @@ package appurl
33
import (
44
"fmt"
55
"net"
6+
"net/url"
67
"regexp"
78
"strings"
89

@@ -20,6 +21,36 @@ var (
2021
validHostnameLabelRegex=regexp.MustCompile(`^[a-z0-9]([-a-z0-9]*[a-z0-9])?$`)
2122
)
2223

24+
// SubdomainAppHost returns the URL of the apphost for subdomain based apps.
25+
// It will omit the scheme.
26+
//
27+
// Arguments:
28+
// apphost: Expected to contain a wildcard, example: "*.coder.com"
29+
// accessURL: The access url for the deployment.
30+
//
31+
// Returns:
32+
// 'apphost:port'
33+
//
34+
// For backwards compatibility and for "accessurl=localhost:0" purposes, we need
35+
// to use the port from the accessurl if the apphost doesn't have a port.
36+
// If the user specifies a port in the apphost, we will use that port instead.
37+
funcSubdomainAppHost(apphoststring,accessURL*url.URL)string {
38+
ifapphost=="" {
39+
return""
40+
}
41+
42+
ifapphost!=""&&accessURL.Port()!="" {
43+
// This should always parse if we prepend a scheme. We should add
44+
// the access url port if the apphost doesn't have a port specified.
45+
appHostU,err:=url.Parse(fmt.Sprintf("https://%s",apphost))
46+
iferr!=nil|| (err==nil&&appHostU.Port()=="") {
47+
apphost+=fmt.Sprintf(":%s",accessURL.Port())
48+
}
49+
}
50+
51+
returnapphost
52+
}
53+
2354
// ApplicationURL is a parsed application URL hostname.
2455
typeApplicationURLstruct {
2556
Prefixstring
@@ -140,9 +171,7 @@ func CompileHostnamePattern(pattern string) (*regexp.Regexp, error) {
140171
ifstrings.Contains(pattern,"http:")||strings.Contains(pattern,"https:") {
141172
returnnil,xerrors.Errorf("hostname pattern must not contain a scheme: %q",pattern)
142173
}
143-
ifstrings.Contains(pattern,":") {
144-
returnnil,xerrors.Errorf("hostname pattern must not contain a port: %q",pattern)
145-
}
174+
146175
ifstrings.HasPrefix(pattern,".")||strings.HasSuffix(pattern,".") {
147176
returnnil,xerrors.Errorf("hostname pattern must not start or end with a period: %q",pattern)
148177
}
@@ -155,6 +184,16 @@ func CompileHostnamePattern(pattern string) (*regexp.Regexp, error) {
155184
if!strings.HasPrefix(pattern,"*") {
156185
returnnil,xerrors.Errorf("hostname pattern must only contain an asterisk at the beginning: %q",pattern)
157186
}
187+
188+
// If there is a hostname:port, we only care about the hostname. For hostname
189+
// pattern reasons, we do not actually care what port the client is requesting.
190+
// Any port provided here is used for generating urls for the ui, not for
191+
// validation.
192+
hostname,_,err:=net.SplitHostPort(pattern)
193+
iferr==nil {
194+
pattern=hostname
195+
}
196+
158197
fori,label:=rangestrings.Split(pattern,".") {
159198
ifi==0 {
160199
// We have to allow the asterisk to be a valid hostname label, so

‎coderd/workspaceapps/appurl/appurl_test.go‎

Lines changed: 7 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -193,11 +193,6 @@ func TestCompileHostnamePattern(t *testing.T) {
193193
pattern:"https://*.hi.com",
194194
errorContains:"must not contain a scheme",
195195
},
196-
{
197-
name:"Invalid_ContainsPort",
198-
pattern:"*.hi.com:8080",
199-
errorContains:"must not contain a port",
200-
},
201196
{
202197
name:"Invalid_StartPeriod",
203198
pattern:".hi.com",
@@ -249,6 +244,13 @@ func TestCompileHostnamePattern(t *testing.T) {
249244
errorContains:"contains invalid label",
250245
},
251246

247+
{
248+
name:"Valid_ContainsPort",
249+
pattern:"*.hi.com:8080",
250+
// Although a port is provided, the regex already matches any port.
251+
// So it is ignored for validation purposes.
252+
expectedRegex:`([^.]+)\.hi\.com`,
253+
},
252254
{
253255
name:"Valid_Simple",
254256
pattern:"*.hi",

‎coderd/workspaceproxies.go‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -11,6 +11,7 @@ import (
1111
"github.com/coder/coder/v2/coderd/database"
1212
"github.com/coder/coder/v2/coderd/database/dbauthz"
1313
"github.com/coder/coder/v2/coderd/httpapi"
14+
"github.com/coder/coder/v2/coderd/workspaceapps/appurl"
1415
"github.com/coder/coder/v2/codersdk"
1516
)
1617

@@ -43,7 +44,7 @@ func (api *API) PrimaryRegion(ctx context.Context) (codersdk.Region, error) {
4344
IconURL:proxy.IconUrl,
4445
Healthy:true,
4546
PathAppURL:api.AccessURL.String(),
46-
WildcardHostname:api.AppHostname,
47+
WildcardHostname:appurl.SubdomainAppHost(api.AppHostname,api.AccessURL),
4748
},nil
4849
}
4950

‎coderd/workspaceproxies_test.go‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,7 @@
11
package coderd_test
22

33
import (
4+
"fmt"
45
"testing"
56

67
"github.com/google/uuid"
@@ -44,7 +45,7 @@ func TestRegions(t *testing.T) {
4445
require.NotEmpty(t,regions[0].IconURL)
4546
require.True(t,regions[0].Healthy)
4647
require.Equal(t,client.URL.String(),regions[0].PathAppURL)
47-
require.Equal(t,appHostname,regions[0].WildcardHostname)
48+
require.Equal(t,fmt.Sprintf("%s:%s",appHostname,client.URL.Port()),regions[0].WildcardHostname)
4849

4950
// Ensure the primary region ID is constant.
5051
regions2,err:=client.Regions(ctx)

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