Add method to check organization membership

cmd/server/server.go

@@ -266,6 +266,7 @@ func setupEvilGlobals(c *cli.Context, v store.Store, r remote.Remote) {
 	server.Config.Services.Registries = setupRegistryService(c, v)
 	server.Config.Services.Secrets = setupSecretService(c, v)
 	server.Config.Services.Environ = setupEnvironService(c, v)
+	server.Config.Services.Membership = setupMembershipService(c, r)
 
 	server.Config.Services.SignaturePrivateKey, server.Config.Services.SignaturePublicKey = setupSignatureKeys(v)
 

cmd/server/setup.go

@@ -33,6 +33,7 @@ import (
 	"golang.org/x/sync/errgroup"
 
 	"github.com/woodpecker-ci/woodpecker/server"
+	"github.com/woodpecker-ci/woodpecker/server/cache"
 	"github.com/woodpecker-ci/woodpecker/server/model"
 	"github.com/woodpecker-ci/woodpecker/server/plugins/environments"
 	"github.com/woodpecker-ci/woodpecker/server/plugins/registry"
@@ -180,6 +181,10 @@ func setupEnvironService(c *cli.Context, s store.Store) model.EnvironService {
 	return environments.Parse(c.StringSlice("environment"))
 }
 
+func setupMembershipService(_ *cli.Context, r remote.Remote) cache.MembershipService {
+	return cache.NewMembershipService(r)
+}
+
 // setupRemote helper function to setup the remote from the CLI arguments.
 func setupRemote(c *cli.Context) (remote.Remote, error) {
 	switch {

go.mod

@@ -3,7 +3,7 @@ module github.com/woodpecker-ci/woodpecker
 go 1.18
 
 require (
-	code.gitea.io/sdk/gitea v0.15.1-0.20220501190934-319a978c6c71
+	code.gitea.io/sdk/gitea v0.15.1-0.20220720025709-de34275bb64e
 	codeberg.org/6543/go-yaml2json v0.1.0
 	github.com/bmatcuk/doublestar/v4 v4.0.2
 	github.com/docker/cli v20.10.14+incompatible
@@ -20,6 +20,7 @@ require (
 	github.com/google/go-github/v39 v39.2.0
 	github.com/gorilla/securecookie v1.1.1
 	github.com/joho/godotenv v1.4.0
+	github.com/lafriks/ttlcache/v3 v3.1.0
 	github.com/lib/pq v1.10.5
 	github.com/mattn/go-sqlite3 v1.14.12
 	github.com/melbahja/goph v1.3.0
@@ -34,7 +35,7 @@ require (
 	github.com/urfave/cli/v2 v2.5.1
 	github.com/xanzy/go-gitlab v0.64.0
 	github.com/xeipuuv/gojsonschema v1.2.0
-	golang.org/x/crypto v0.0.0-20220427172511-eb4f295cb31f
+	golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d
 	golang.org/x/net v0.0.0-20220615171555-694bf12d69de
 	golang.org/x/oauth2 v0.0.0-20220411215720-9780585627b5
 	golang.org/x/sync v0.0.0-20220601150217-0de741cfad7f
@@ -53,11 +54,13 @@ require (
 	github.com/containerd/containerd v1.6.6 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/davidmz/go-pageant v1.0.2 // indirect
 	github.com/docker/docker-credential-helpers v0.6.4 // indirect
 	github.com/docker/go-connections v0.4.0 // indirect
 	github.com/fatih/color v1.13.0 // indirect
 	github.com/fsnotify/fsnotify v1.5.1 // indirect
 	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-fed/httpsig v1.1.0 // indirect
 	github.com/go-playground/locales v0.14.0 // indirect
 	github.com/go-playground/universal-translator v0.18.0 // indirect
 	github.com/go-playground/validator/v10 v10.10.1 // indirect
@@ -71,7 +74,7 @@ require (
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
 	github.com/hashicorp/go-hclog v1.0.0 // indirect
 	github.com/hashicorp/go-retryablehttp v0.7.1 // indirect
-	github.com/hashicorp/go-version v1.4.0 // indirect
+	github.com/hashicorp/go-version v1.6.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/kr/fs v0.1.0 // indirect
 	github.com/leodido/go-urn v1.2.1 // indirect
@@ -98,7 +101,7 @@ require (
 	github.com/ugorji/go/codec v1.2.7 // indirect
 	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
 	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
-	golang.org/x/sys v0.0.0-20220615213510-4f61da869c0c // indirect
+	golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
 	golang.org/x/text v0.3.7 // indirect
 	golang.org/x/time v0.0.0-20220411224347-583f2d630306 // indirect
 	golang.org/x/tools v0.1.10 // indirect

go.sum

@@ -30,8 +30,8 @@ cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0Zeo
 cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
 cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
-code.gitea.io/sdk/gitea v0.15.1-0.20220501190934-319a978c6c71 h1:+ZqwhfAftVOAd7AcLpfh4LBdTeJIyt60vGU39zhQPyA=
-code.gitea.io/sdk/gitea v0.15.1-0.20220501190934-319a978c6c71/go.mod h1:MuMGvUxT8BmFHa0gHhHsrnz91QfmziXuFffm9AuhMCo=
+code.gitea.io/sdk/gitea v0.15.1-0.20220720025709-de34275bb64e h1:xayGBU2DwsrA5ZyqKNpXB91w3BfnkNcLDWZ7Ynn/w+g=
+code.gitea.io/sdk/gitea v0.15.1-0.20220720025709-de34275bb64e/go.mod h1:aRmrQC3CAHdJAU1LQt0C9zqzqI8tUB/5oQtNE746aYE=
 codeberg.org/6543/go-yaml2json v0.1.0 h1:njuf3a8QgsmBXJFiH+7wNR01biBS4MU+XeWE7W3bnus=
 codeberg.org/6543/go-yaml2json v0.1.0/go.mod h1:mz61q14LWF4ZABrgMEDMmk3t9dPi6zgR1uBh2VKV2RQ=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
@@ -111,6 +111,8 @@ github.com/danieljoos/wincred v1.1.0/go.mod h1:XYlo+eRTsVA9aHGp7NGjFkPla4m+DCL7h
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davidmz/go-pageant v1.0.2 h1:bPblRCh5jGU+Uptpz6LgMZGD5hJoOt7otgT454WvHn0=
+github.com/davidmz/go-pageant v1.0.2/go.mod h1:P2EDDnMqIwG5Rrp05dTRITj9z2zpGcD9efWSkTNKLIE=
 github.com/denisenkom/go-mssqldb v0.10.0/go.mod h1:xbL0rPBG9cCiLr28tMa8zpbdarY27NDyej4t/EjAShU=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/docker/cli v20.10.14+incompatible h1:dSBKJOVesDgHo7rbxlYjYsXe7gPzrTT+/cKQgpDAazg=
@@ -158,6 +160,8 @@ github.com/gin-gonic/gin v1.7.7 h1:3DoBmSbJbZAWqXJC3SLjAPfutPJJRN1U5pALB7EeTTs=
 github.com/gin-gonic/gin v1.7.7/go.mod h1:axIBovoeJpVj8S3BwE0uPMTeReE4+AfFtqpqaZ1qq1U=
 github.com/go-ap/httpsig v0.0.0-20210714162115-62a09257db51 h1:cytjZGyqtAu9JspfDt9ThCJ2KKCT/kPGDPCKWIZv8dw=
 github.com/go-ap/httpsig v0.0.0-20210714162115-62a09257db51/go.mod h1:+4SUDMvPlRMUPW5PlMTbxj3U5a4fWasBIbakUw7Kp6c=
+github.com/go-fed/httpsig v1.1.0 h1:9M+hb0jkEICD8/cAiNqEB66R87tTINszBRTjwjQzWcI=
+github.com/go-fed/httpsig v1.1.0/go.mod h1:RCMrTZvN1bJYtofsG4rd5NaO5obxQ5xBkdiS7xsT7bM=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
@@ -305,8 +309,9 @@ github.com/hashicorp/go-syslog v1.0.0/go.mod h1:qPfqrKkXGihmCqbJM2mZgkZGvKG1dFdv
 github.com/hashicorp/go-uuid v1.0.0/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
 github.com/hashicorp/go-uuid v1.0.1/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
 github.com/hashicorp/go-version v1.2.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
-github.com/hashicorp/go-version v1.4.0 h1:aAQzgqIrRKRa7w75CKpbBxYsmUoPjzVm1W59ca1L0J4=
-github.com/hashicorp/go-version v1.4.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
+github.com/hashicorp/go-version v1.5.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
+github.com/hashicorp/go-version v1.6.0 h1:feTTfFNnjP967rlCxM/I9g701jU+RN74YKx2mOkIeek=
+github.com/hashicorp/go-version v1.6.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
 github.com/hashicorp/go.net v0.0.1/go.mod h1:hjKkEWcCURg++eb33jQU7oqQcI9XDCnUzHA0oac0k90=
 github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
@@ -405,6 +410,8 @@ github.com/kr/pty v1.1.8/go.mod h1:O1sed60cT9XZ5uDucP5qwvh+TE3NnUj51EiZO/lmSfw=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/lafriks/ttlcache/v3 v3.1.0 h1:/ths7O17AjV3hDkNo06fEfqwsDMd/Vbx9Em7yhD4V2k=
+github.com/lafriks/ttlcache/v3 v3.1.0/go.mod h1:oxu8nlxF496noT0VKBf2gDQWHA6VDjoGFnn4qw9wAac=
 github.com/leodido/go-urn v1.2.0/go.mod h1:+8+nEpDfqqsY+g338gtMEUOtuK+4dEMhiQEgxpxOKII=
 github.com/leodido/go-urn v1.2.1 h1:BqpAaACuzVSgi/VLzGZIobT2z4v53pjosyNd9Yv6n/w=
 github.com/leodido/go-urn v1.2.1/go.mod h1:zt4jvISO2HfUBqxjfIshjdMTYS56ZS/qv49ictyFfxY=
@@ -658,6 +665,7 @@ go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
 go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
+go.uber.org/goleak v1.1.10 h1:z+mqJhf6ss6BSfSM671tgKyZBFPTTJM+HLxnhPC3wu0=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
 go.uber.org/multierr v1.3.0/go.mod h1:VgVr7evmIr6uPjLBxg28wmKNXyqE9akIJ5XnfpiKl+4=
 go.uber.org/multierr v1.5.0/go.mod h1:FeouvMocqHpRaaGuG9EjoKcStLC43Zu/fmqdUMPcKYU=
@@ -681,13 +689,15 @@ golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20201203163018-be400aefbc4c/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
 golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
+golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
 golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20210817164053-32db794688a5/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/crypto v0.0.0-20211215165025-cf75a172585e/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
-golang.org/x/crypto v0.0.0-20220427172511-eb4f295cb31f h1:OeJjE6G4dgCY4PIXvIRQbE8+RX+uXZyGhUy/ksMGJoc=
-golang.org/x/crypto v0.0.0-20220427172511-eb4f295cb31f/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d h1:sK3txAijHtOK88l68nt020reeT1ZdKLIYetKl95FzVY=
+golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -710,6 +720,7 @@ golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHl
 golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
 golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
+golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5 h1:2M3HP5CCK1Si9FQhwnzYhXdG6DXeebvUHFpre8QvbyI=
 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
 golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
 golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
@@ -855,8 +866,8 @@ golang.org/x/sys v0.0.0-20211007075335-d3039528d8ac/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20211031064116-611d5d643895/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220114195835-da31bd327af9/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220615213510-4f61da869c0c h1:aFV+BgZ4svzjfabn8ERpuB4JI4N6/rdy1iusx77G3oU=
-golang.org/x/sys v0.0.0-20220615213510-4f61da869c0c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 h1:0A+M6Uqn+Eje4kHMK80dtF3JCXC4ykBgQG4Fe06QRhQ=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 h1:JGgROgKl9N8DuW20oFS5gxc+lE67/N3FcwmBPMe7ArY=

server/cache/membership.go

@@ -0,0 +1,88 @@
+// Copyright 2022 Woodpecker Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package cache
+
+import (
+	"context"
+	"time"
+
+	"github.com/woodpecker-ci/woodpecker/server/model"
+	"github.com/woodpecker-ci/woodpecker/server/remote"
+
+	"github.com/lafriks/ttlcache/v3"
+)
+
+// MembershipService is a service to check for user membership.
+type MembershipService interface {
+	// IsMember returns true if the user is a member of the organization.
+	IsMember(ctx context.Context, u *model.User, owner string) (bool, error)
+
+	// IsAdmin returns true if the user is an admin of the organization.
+	IsAdmin(ctx context.Context, u *model.User, owner string) (bool, error)
+}
+
+type membership struct {
+	Member bool
+	Admin  bool
+}
+
+type membershipCache struct {
+	Remote remote.Remote
+	Cache  *ttlcache.Cache[string, membership]
+	TTL    time.Duration
+}
+
+// NewMembershipService creates a new membership service.
+func NewMembershipService(r remote.Remote) MembershipService {
+	return &membershipCache{
+		TTL:    10 * time.Minute,
+		Remote: r,
+		Cache:  ttlcache.New(ttlcache.WithDisableTouchOnHit[string, membership]()),
+	}
+}
+
+func (c *membershipCache) get(ctx context.Context, u *model.User, owner string) (bool, bool, error) {
+	key := u.Login + "/" + owner
+	// Error can be safely ignored, as cache can only return error from loaders.
+	item, _ := c.Cache.Get(key)
+	if item != nil && !item.IsExpired() {
+		return item.Value().Member, item.Value().Admin, nil
+	}
+
+	member, admin, err := c.Remote.OrgMembership(ctx, u, owner)
+	if err != nil {
+		return false, false, err
+	}
+	c.Cache.Set(key, membership{Member: member, Admin: admin}, c.TTL)
+	return member, admin, nil
+}
+
+// IsMember returns true if the user is a member of the organization.
+func (c *membershipCache) IsMember(ctx context.Context, u *model.User, owner string) (bool, error) {
+	member, _, err := c.get(ctx, u, owner)
+	if err != nil {
+		return false, err
+	}
+	return member, nil
+}
+
+// IsAdmin returns true if the user is an admin of the organization.
+func (c *membershipCache) IsAdmin(ctx context.Context, u *model.User, owner string) (bool, error) {
+	_, admin, err := c.get(ctx, u, owner)
+	if err != nil {
+		return false, err
+	}
+	return admin, nil
+}

server/config.go

@@ -21,6 +21,7 @@ import (
 	"crypto"
 	"time"
 
+	"github.com/woodpecker-ci/woodpecker/server/cache"
 	"github.com/woodpecker-ci/woodpecker/server/logging"
 	"github.com/woodpecker-ci/woodpecker/server/model"
 	"github.com/woodpecker-ci/woodpecker/server/plugins/config"
@@ -38,6 +39,7 @@ var Config = struct {
 		Registries          model.RegistryService
 		Environ             model.EnvironService
 		Remote              remote.Remote
+		Membership          cache.MembershipService
 		ConfigService       config.Extension
 		SignaturePrivateKey crypto.PrivateKey
 		SignaturePublicKey  crypto.PublicKey

server/remote/bitbucket/bitbucket.go

@@ -301,6 +301,16 @@ func (c *config) Hook(ctx context.Context, req *http.Request) (*model.Repo, *mod
 	return parseHook(req)
 }
 
+// OrgMembership returns if user is member of organization and if user
+// is admin/owner in this organization.
+func (c *config) OrgMembership(ctx context.Context, u *model.User, owner string) (bool, bool, error) {
+	perm, err := c.newClient(ctx, u).GetUserWorkspaceMembership(owner, u.Login)
+	if err != nil {
+		return false, false, err
+	}
+	return perm != "", perm == "owner", nil
+}
+
 // helper function to return the bitbucket oauth2 client
 func (c *config) newClient(ctx context.Context, u *model.User) *internal.Client {
 	if u == nil {

server/remote/bitbucket/internal/client.go

@@ -46,6 +46,7 @@ const (
 	pathSource      = "%s/2.0/repositories/%s/%s/src/%s/%s"
 	pathStatus      = "%s/2.0/repositories/%s/%s/commit/%s/statuses/build"
 	pathBranches    = "%s/2.0/repositories/%s/%s/refs/branches"
+	pathOrgPerms    = "%s/2.0/workspaces/%s/permissions?%s"
 )
 
 type Client struct {
@@ -182,6 +183,28 @@ func (c *Client) ListBranches(owner, name string) ([]*Branch, error) {
 	return out.Values, err
 }
 
+func (c *Client) GetUserWorkspaceMembership(workspace, user string) (string, error) {
+	out := new(WorkspaceMembershipResp)
+	opts := &ListOpts{Page: 1, PageLen: 100}
+	for {
+		uri := fmt.Sprintf(pathOrgPerms, c.base, workspace, opts.Encode())
+		_, err := c.do(uri, get, nil, out)
+		if err != nil {
+			return "", err
+		}
+		for _, m := range out.Values {
+			if m.User.Nickname == user {
+				return m.Permission, nil
+			}
+		}
+		if len(out.Next) == 0 {
+			break
+		}
+		opts.Page++
+	}
+	return "", nil
+}
+
 func (c *Client) do(rawurl, method string, in, out interface{}) (*string, error) {
 	uri, err := url.Parse(rawurl)
 	if err != nil {

server/remote/bitbucket/internal/types.go

@@ -171,6 +171,19 @@ type PullRequestHook struct {
 	} `json:"pullrequest"`
 }
 
+type WorkspaceMembershipResp struct {
+	Page   int    `json:"page"`
+	Pages  int    `json:"pagelen"`
+	Size   int    `json:"size"`
+	Next   string `json:"next"`
+	Values []struct {
+		Permission string `json:"permission"`
+		User       struct {
+			Nickname string `json:"nickname"`
+		}
+	} `json:"values"`
+}
+
 type ListOpts struct {
 	Page    int
 	PageLen int

server/remote/bitbucketserver/bitbucketserver.go

@@ -245,6 +245,13 @@ func (c *Config) Hook(ctx context.Context, r *http.Request) (*model.Repo, *model
 	return parseHook(r, c.URL)
 }
 
+// OrgMembership returns if user is member of organization and if user
+// is admin/owner in this organization.
+func (c *Config) OrgMembership(ctx context.Context, u *model.User, owner string) (bool, bool, error) {
+	// TODO: Not implemented currently
+	return false, false, nil
+}
+
 func CreateConsumer(URL, ConsumerKey string, PrivateKey *rsa.PrivateKey) *oauth.Consumer {
 	consumer := oauth.NewRSAConsumer(
 		ConsumerKey,

server/remote/coding/coding.go

@@ -301,6 +301,13 @@ func (c *Coding) Hook(ctx context.Context, r *http.Request) (*model.Repo, *model
 	return repo, build, err
 }
 
+// OrgMembership returns if user is member of organization and if user
+// is admin/owner in this organization.
+func (c *Coding) OrgMembership(ctx context.Context, u *model.User, owner string) (bool, bool, error) {
+	// TODO: Not supported in Coding OAuth API
+	return false, false, nil
+}
+
 // helper function to return the Coding oauth2 context using an HTTPClient that
 // disables TLS verification if disabled in the remote settings.
 func (c *Coding) newContext(ctx context.Context) context.Context {