feat: add WithGraphQL endpoint and playground support

Mount a gqlgen ExecutableSchema as a Gin handler at /graphql with
optional playground UI at /graphql/playground. Supports custom path
via WithGraphQLPath().

Co-Authored-By: Virgil <virgil@lethean.io>
This commit is contained in:
Snider 2026-02-21 00:12:25 +00:00
parent 36d77ea015
commit d517fa2d71
6 changed files with 381 additions and 27 deletions

6
api.go
View file

@ -30,6 +30,7 @@ type Engine struct {
swaggerTitle string
swaggerDesc string
swaggerVersion string
graphql *graphqlConfig
}
// New creates an Engine with the given options.
@ -140,6 +141,11 @@ func (e *Engine) build() *gin.Engine {
r.GET("/events", e.sseBroker.Handler())
}
// Mount GraphQL endpoint if configured.
if e.graphql != nil {
mountGraphQL(r, e.graphql)
}
// Mount Swagger UI if enabled.
if e.swaggerEnabled {
registerSwagger(r, e.swaggerTitle, e.swaggerDesc, e.swaggerVersion)

24
go.mod
View file

@ -3,6 +3,7 @@ module forge.lthn.ai/core/go-api
go 1.25.5
require (
github.com/99designs/gqlgen v0.17.87
github.com/andybalholm/brotli v1.2.0
github.com/casbin/casbin/v2 v2.135.0
github.com/coreos/go-oidc/v3 v3.17.0
@ -21,13 +22,15 @@ require (
github.com/swaggo/files v1.0.1
github.com/swaggo/gin-swagger v1.6.1
github.com/swaggo/swag v1.16.6
golang.org/x/text v0.31.0
github.com/vektah/gqlparser/v2 v2.5.32
golang.org/x/text v0.34.0
)
require (
github.com/KyleBanks/depth v1.2.1 // indirect
github.com/PuerkitoBio/purell v1.1.1 // indirect
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
github.com/agnivade/levenshtein v1.2.1 // indirect
github.com/bmatcuk/doublestar/v4 v4.9.1 // indirect
github.com/bytedance/gopkg v0.1.3 // indirect
github.com/bytedance/sonic v1.14.2 // indirect
@ -44,12 +47,14 @@ require (
github.com/go-playground/locales v0.14.1 // indirect
github.com/go-playground/universal-translator v0.18.1 // indirect
github.com/go-playground/validator/v10 v10.28.0 // indirect
github.com/go-viper/mapstructure/v2 v2.5.0 // indirect
github.com/goccy/go-json v0.10.5 // indirect
github.com/goccy/go-yaml v1.18.0 // indirect
github.com/goccy/go-yaml v1.19.2 // indirect
github.com/google/uuid v1.6.0 // indirect
github.com/gorilla/context v1.1.2 // indirect
github.com/gorilla/securecookie v1.1.2 // indirect
github.com/gorilla/sessions v1.4.0 // indirect
github.com/hashicorp/golang-lru/v2 v2.0.7 // indirect
github.com/josharian/intern v1.0.0 // indirect
github.com/json-iterator/go v1.1.12 // indirect
github.com/klauspost/cpuid/v2 v2.3.0 // indirect
@ -61,16 +66,17 @@ require (
github.com/pelletier/go-toml/v2 v2.2.4 // indirect
github.com/quic-go/qpack v0.5.1 // indirect
github.com/quic-go/quic-go v0.56.0 // indirect
github.com/sosodev/duration v1.3.1 // indirect
github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
github.com/ugorji/go/codec v1.3.1 // indirect
golang.org/x/arch v0.23.0 // indirect
golang.org/x/crypto v0.44.0 // indirect
golang.org/x/mod v0.29.0 // indirect
golang.org/x/net v0.47.0 // indirect
golang.org/x/crypto v0.48.0 // indirect
golang.org/x/mod v0.33.0 // indirect
golang.org/x/net v0.50.0 // indirect
golang.org/x/oauth2 v0.28.0 // indirect
golang.org/x/sync v0.18.0 // indirect
golang.org/x/sys v0.38.0 // indirect
golang.org/x/tools v0.38.0 // indirect
google.golang.org/protobuf v1.36.10 // indirect
golang.org/x/sync v0.19.0 // indirect
golang.org/x/sys v0.41.0 // indirect
golang.org/x/tools v0.42.0 // indirect
google.golang.org/protobuf v1.36.11 // indirect
gopkg.in/yaml.v2 v2.4.0 // indirect
)

60
go.sum
View file

@ -1,11 +1,23 @@
github.com/99designs/gqlgen v0.17.87 h1:pSnCIMhBQezAE8bc1GNmfdLXFmnWtWl1GRDFEE/nHP8=
github.com/99designs/gqlgen v0.17.87/go.mod h1:fK05f1RqSNfQpd4CfW5qk/810Tqi4/56Wf6Nem0khAg=
github.com/KyleBanks/depth v1.2.1 h1:5h8fQADFrWtarTdtDudMmGsC7GPbOAu6RVB3ffsVFHc=
github.com/KyleBanks/depth v1.2.1/go.mod h1:jzSb9d0L43HxTQfT+oSA1EEp2q+ne2uh6XgeJcm8brE=
github.com/PuerkitoBio/goquery v1.11.0 h1:jZ7pwMQXIITcUXNH83LLk+txlaEy6NVOfTuP43xxfqw=
github.com/PuerkitoBio/goquery v1.11.0/go.mod h1:wQHgxUOU3JGuj3oD/QFfxUdlzW6xPHfqyHre6VMY4DQ=
github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
github.com/agnivade/levenshtein v1.2.1 h1:EHBY3UOn1gwdy/VbFwgo4cxecRznFk7fKWN1KOX7eoM=
github.com/agnivade/levenshtein v1.2.1/go.mod h1:QVVI16kDrtSuwcpd0p1+xMC6Z/VfhtCyDIjcwga4/DU=
github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883 h1:bvNMNQO63//z+xNgfBlViaCIJKLlCJ6/fmUseuG0wVQ=
github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8=
github.com/andybalholm/brotli v1.2.0 h1:ukwgCxwYrmACq68yiUqwIWnGY0cTPox/M94sVwToPjQ=
github.com/andybalholm/brotli v1.2.0/go.mod h1:rzTDkvFWvIrjDXZHkuS16NPggd91W3kUSvPlQ1pLaKY=
github.com/andybalholm/cascadia v1.3.3 h1:AG2YHrzJIm4BZ19iwJ/DAua6Btl3IwJX+VI4kktS1LM=
github.com/andybalholm/cascadia v1.3.3/go.mod h1:xNd9bqTn98Ln4DwST8/nG+H0yuB8Hmgu1YHNnWw0GeA=
github.com/arbovm/levenshtein v0.0.0-20160628152529-48b4e1c0c4d0 h1:jfIu9sQUG6Ig+0+Ap1h4unLjW6YQJpKZVmUzxsD4E/Q=
github.com/arbovm/levenshtein v0.0.0-20160628152529-48b4e1c0c4d0/go.mod h1:t2tdKJDJF9BV14lnkjHmOQgcvEKgtqs5a1N3LNdJhGE=
github.com/bmatcuk/doublestar/v4 v4.6.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
github.com/bmatcuk/doublestar/v4 v4.9.1 h1:X8jg9rRZmJd4yRy7ZeNDRnM+T3ZfHv15JiBJ/avrEXE=
github.com/bmatcuk/doublestar/v4 v4.9.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
@ -28,6 +40,8 @@ github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ3
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/dgryski/trifles v0.0.0-20230903005119-f50d829f2e54 h1:SG7nF6SRlWhcT7cNTs5R6Hk4V2lcmLz2NsG2VnInyNo=
github.com/dgryski/trifles v0.0.0-20230903005119-f50d829f2e54/go.mod h1:if7Fbed8SFyPtHLHbg49SI7NAdJiC5WIA09pe59rfAA=
github.com/gabriel-vasile/mimetype v1.4.11 h1:AQvxbp830wPhHTqc1u7nzoLT+ZFxGY7emj5DR5DYFik=
github.com/gabriel-vasile/mimetype v1.4.11/go.mod h1:d+9Oxyo1wTzWdyVUPMmXFvp4F9tea18J8ufA774AB3s=
github.com/gin-contrib/authz v1.0.6 h1:qAO4sSSzOPCwYRZI6YtubC+h2tZVwhwSJeyEZn2W+5k=
@ -74,10 +88,12 @@ github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJn
github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
github.com/go-playground/validator/v10 v10.28.0 h1:Q7ibns33JjyW48gHkuFT91qX48KG0ktULL6FgHdG688=
github.com/go-playground/validator/v10 v10.28.0/go.mod h1:GoI6I1SjPBh9p7ykNE/yj3fFYbyDOpwMn5KXd+m2hUU=
github.com/go-viper/mapstructure/v2 v2.5.0 h1:vM5IJoUAy3d7zRSVtIwQgBj7BiWtMPfmPEgAXnvj1Ro=
github.com/go-viper/mapstructure/v2 v2.5.0/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM=
github.com/goccy/go-json v0.10.5 h1:Fq85nIqj+gXn/S5ahsiTlK3TmC85qgirsdTP/+DeaC4=
github.com/goccy/go-json v0.10.5/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
github.com/goccy/go-yaml v1.18.0 h1:8W7wMFS12Pcas7KU+VVkaiCng+kG8QiFeFwzFb+rwuw=
github.com/goccy/go-yaml v1.18.0/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
github.com/goccy/go-yaml v1.19.2 h1:PmFC1S6h8ljIz6gMRBopkjP1TVT7xuwrButHID66PoM=
github.com/goccy/go-yaml v1.19.2/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
github.com/golang/mock v1.4.4 h1:l75CXGRSwbaYNpl/Z2X1XIIAMSCquvXgpVZDhwEIJsc=
github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
@ -95,6 +111,8 @@ github.com/gorilla/sessions v1.4.0 h1:kpIYOp/oi6MG/p5PgxApU8srsSw9tuFbt46Lt7auzq
github.com/gorilla/sessions v1.4.0/go.mod h1:FLWm50oby91+hl7p/wRxDth9bWSuk0qVL2emc7lT5ik=
github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/hashicorp/golang-lru/v2 v2.0.7 h1:a+bsQ5rvGLjzHuww6tVxozPZFVghXaHOwFs4luLUK2k=
github.com/hashicorp/golang-lru/v2 v2.0.7/go.mod h1:QeFd9opnmA6QUJc5vARoKUSoFhyfM2/ZepoAG6RGpeM=
github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
@ -132,6 +150,10 @@ github.com/quic-go/quic-go v0.56.0 h1:q/TW+OLismmXAehgFLczhCDTYB3bFmua4D9lsNBWxv
github.com/quic-go/quic-go v0.56.0/go.mod h1:9gx5KsFQtw2oZ6GZTyh+7YEvOxWCL9WZAepnHxgAo6c=
github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=
github.com/rogpeppe/go-internal v1.10.0/go.mod h1:UQnix2H7Ngw/k4C5ijL5+65zddjncjaFoBhdsK/akog=
github.com/sergi/go-diff v1.3.1 h1:xkr+Oxo4BOQKmkn/B9eMK0g5Kg/983T9DqqPHwYqD+8=
github.com/sergi/go-diff v1.3.1/go.mod h1:aMJSSKb2lpPvRNec0+w3fl7LP9IOFzdc9Pa4NFbPK1I=
github.com/sosodev/duration v1.3.1 h1:qtHBDMQ6lvMQsL15g4aopM4HEfOaYuhWBw3NPTtlqq4=
github.com/sosodev/duration v1.3.1/go.mod h1:RQIBBX0+fMLc/D9+Jb/fwvVmo0eZvDDEERAikUR6SDg=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
@ -154,6 +176,8 @@ github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS
github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08=
github.com/ugorji/go/codec v1.3.1 h1:waO7eEiFDwidsBN6agj1vJQ4AG7lh2yqXyOXqhgQuyY=
github.com/ugorji/go/codec v1.3.1/go.mod h1:pRBVtBSKl77K30Bv8R2P+cLSGaTtex6fsA2Wjqmfxj4=
github.com/vektah/gqlparser/v2 v2.5.32 h1:k9QPJd4sEDTL+qB4ncPLflqTJ3MmjB9SrVzJrawpFSc=
github.com/vektah/gqlparser/v2 v2.5.32/go.mod h1:c1I28gSOVNzlfc4WuDlqU7voQnsqI6OG2amkBAFmgts=
github.com/xyproto/randomstring v1.0.5 h1:YtlWPoRdgMu3NZtP45drfy1GKoojuR7hmRcnhZqKjWU=
github.com/xyproto/randomstring v1.0.5/go.mod h1:rgmS5DeNXLivK7YprL0pY+lTuhNQW3iGxZ18UQApw/E=
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
@ -163,25 +187,25 @@ golang.org/x/arch v0.23.0 h1:lKF64A2jF6Zd8L0knGltUnegD62JMFBiCPBmQpToHhg=
golang.org/x/arch v0.23.0/go.mod h1:dNHoOeKiyja7GTvF9NJS1l3Z2yntpQNzgrjh1cU103A=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/crypto v0.44.0 h1:A97SsFvM3AIwEEmTBiaxPPTYpDC47w720rdiiUvgoAU=
golang.org/x/crypto v0.44.0/go.mod h1:013i+Nw79BMiQiMsOPcVCB5ZIJbYkerPrGnOa00tvmc=
golang.org/x/crypto v0.48.0 h1:/VRzVqiRSggnhY7gNRxPauEQ5Drw9haKdM0jqfcCFts=
golang.org/x/crypto v0.48.0/go.mod h1:r0kV5h3qnFPlQnBSrULhlsRfryS2pmewsg+XfMgkVos=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
golang.org/x/mod v0.29.0 h1:HV8lRxZC4l2cr3Zq1LvtOsi/ThTgWnUk/y64QSs8GwA=
golang.org/x/mod v0.29.0/go.mod h1:NyhrlYXJ2H4eJiRy/WDBO6HMqZQ6q9nk4JzS3NuCK+w=
golang.org/x/mod v0.33.0 h1:tHFzIWbBifEmbwtGz65eaWyGiGZatSrT9prnU8DbVL8=
golang.org/x/mod v0.33.0/go.mod h1:swjeQEj+6r7fODbD2cqrnje9PnziFuw4bmLbBZFrQ5w=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20210421230115-4e50805a0758/go.mod h1:72T/g9IO56b78aLF+1Kcs5dz7/ng1VjMUvfKvpfy+jM=
golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
golang.org/x/net v0.47.0 h1:Mx+4dIFzqraBXUugkia1OOvlD6LemFo1ALMHjrXDOhY=
golang.org/x/net v0.47.0/go.mod h1:/jNxtkgq5yWUGYkaZGqo27cfGZ1c5Nen03aYrrKpVRU=
golang.org/x/net v0.50.0 h1:ucWh9eiCGyDR3vtzso0WMQinm2Dnt8cFMuQa9K33J60=
golang.org/x/net v0.50.0/go.mod h1:UgoSli3F/pBgdJBHCTc+tp3gmrU4XswgGRgtnwWTfyM=
golang.org/x/oauth2 v0.28.0 h1:CrgCKl8PPAVtLnU3c+EDw6x11699EWlsDeWNWKdIOkc=
golang.org/x/oauth2 v0.28.0/go.mod h1:onh5ek6nERTohokkhCD/y2cV4Do3fxFHFuAejCkRWT8=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.18.0 h1:kr88TuHDroi+UVf+0hZnirlk8o8T+4MrK6mr60WkH/I=
golang.org/x/sync v0.18.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210420072515-93ed5bcd2bfe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@ -190,8 +214,8 @@ golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBc
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.38.0 h1:3yZWxaJjBmCWXqhN1qh02AkOnCQ1poK6oF+a7xWL6Gc=
golang.org/x/sys v0.38.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k=
golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
@ -200,19 +224,19 @@ golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/text v0.31.0 h1:aC8ghyu4JhP8VojJ2lEHBnochRno1sgL6nEi9WGFGMM=
golang.org/x/text v0.31.0/go.mod h1:tKRAlv61yKIjGGHX/4tP1LTbc13YSec1pxVEWXzfoeM=
golang.org/x/text v0.34.0 h1:oL/Qq0Kdaqxa1KbNeMKwQq0reLCCaFtqu2eNuSeNHbk=
golang.org/x/text v0.34.0/go.mod h1:homfLqTYRFyVYemLBFl5GgL/DWEiH5wcsQ5gSh1yziA=
golang.org/x/time v0.12.0 h1:ScB/8o8olJvc+CQPWrK3fPZNfh7qgwCrY0zJmoEQLSE=
golang.org/x/time v0.12.0/go.mod h1:CDIdPxbZBQxdj6cxyCIdrNogrJKMJ7pr37NYpMcMDSg=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
golang.org/x/tools v0.38.0 h1:Hx2Xv8hISq8Lm16jvBZ2VQf+RLmbd7wVUsALibYI/IQ=
golang.org/x/tools v0.38.0/go.mod h1:yEsQ/d/YK8cjh0L6rZlY8tgtlKiBNTL14pGDJPJpYQs=
golang.org/x/tools v0.42.0 h1:uNgphsn75Tdz5Ji2q36v/nsFSfR/9BRFvqhGBaJGd5k=
golang.org/x/tools v0.42.0/go.mod h1:Ma6lCIwGZvHK6XtgbswSoWroEkhugApmsXyrUmBhfr0=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

63
graphql.go Normal file
View file

@ -0,0 +1,63 @@
// SPDX-License-Identifier: EUPL-1.2
package api
import (
"net/http"
"github.com/99designs/gqlgen/graphql"
"github.com/99designs/gqlgen/graphql/handler"
"github.com/99designs/gqlgen/graphql/playground"
"github.com/gin-gonic/gin"
)
// defaultGraphQLPath is the URL path where the GraphQL endpoint is mounted.
const defaultGraphQLPath = "/graphql"
// graphqlConfig holds configuration for the GraphQL endpoint.
type graphqlConfig struct {
schema graphql.ExecutableSchema
path string
playground bool
}
// GraphQLOption configures a GraphQL endpoint.
type GraphQLOption func(*graphqlConfig)
// WithPlayground enables the GraphQL Playground UI at {path}/playground.
func WithPlayground() GraphQLOption {
return func(cfg *graphqlConfig) {
cfg.playground = true
}
}
// WithGraphQLPath sets a custom URL path for the GraphQL endpoint.
// The default path is "/graphql".
func WithGraphQLPath(path string) GraphQLOption {
return func(cfg *graphqlConfig) {
cfg.path = path
}
}
// mountGraphQL registers the GraphQL handler and optional playground on the Gin engine.
func mountGraphQL(r *gin.Engine, cfg *graphqlConfig) {
srv := handler.NewDefaultServer(cfg.schema)
graphqlHandler := gin.WrapH(srv)
// Mount the GraphQL endpoint for all HTTP methods (POST for queries/mutations,
// GET for playground redirects and introspection).
r.Any(cfg.path, graphqlHandler)
if cfg.playground {
playgroundPath := cfg.path + "/playground"
playgroundHandler := playground.Handler("GraphQL", cfg.path)
r.GET(playgroundPath, wrapHTTPHandler(playgroundHandler))
}
}
// wrapHTTPHandler adapts a standard http.Handler to a Gin handler function.
func wrapHTTPHandler(h http.Handler) gin.HandlerFunc {
return func(c *gin.Context) {
h.ServeHTTP(c.Writer, c.Request)
}
}

234
graphql_test.go Normal file
View file

@ -0,0 +1,234 @@
// SPDX-License-Identifier: EUPL-1.2
package api_test
import (
"context"
"io"
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/99designs/gqlgen/graphql"
"github.com/gin-gonic/gin"
"github.com/vektah/gqlparser/v2"
"github.com/vektah/gqlparser/v2/ast"
api "forge.lthn.ai/core/go-api"
)
// newTestSchema creates a minimal ExecutableSchema that responds to { name }
// with {"name":"test"}. This avoids importing gqlgen's internal testserver
// while providing a realistic schema for handler tests.
func newTestSchema() graphql.ExecutableSchema {
schema := gqlparser.MustLoadSchema(&ast.Source{Input: `
type Query {
name: String!
}
`})
return &graphql.ExecutableSchemaMock{
SchemaFunc: func() *ast.Schema {
return schema
},
ExecFunc: func(ctx context.Context) graphql.ResponseHandler {
ran := false
return func(ctx context.Context) *graphql.Response {
if ran {
return nil
}
ran = true
return &graphql.Response{Data: []byte(`{"name":"test"}`)}
}
},
ComplexityFunc: func(_ context.Context, _, _ string, childComplexity int, _ map[string]any) (int, bool) {
return childComplexity, true
},
}
}
// ── GraphQL endpoint ──────────────────────────────────────────────────
func TestWithGraphQL_Good_EndpointResponds(t *testing.T) {
gin.SetMode(gin.TestMode)
e, err := api.New(api.WithGraphQL(newTestSchema()))
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
srv := httptest.NewServer(e.Handler())
defer srv.Close()
body := `{"query":"{ name }"}`
resp, err := http.Post(srv.URL+"/graphql", "application/json", strings.NewReader(body))
if err != nil {
t.Fatalf("request failed: %v", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
t.Fatalf("expected 200, got %d", resp.StatusCode)
}
respBody, err := io.ReadAll(resp.Body)
if err != nil {
t.Fatalf("failed to read body: %v", err)
}
if !strings.Contains(string(respBody), `"name":"test"`) {
t.Fatalf("expected response containing name:test, got %q", string(respBody))
}
}
func TestWithGraphQL_Good_PlaygroundServesHTML(t *testing.T) {
gin.SetMode(gin.TestMode)
e, err := api.New(api.WithGraphQL(newTestSchema(), api.WithPlayground()))
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
srv := httptest.NewServer(e.Handler())
defer srv.Close()
resp, err := http.Get(srv.URL + "/graphql/playground")
if err != nil {
t.Fatalf("request failed: %v", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
t.Fatalf("expected 200, got %d", resp.StatusCode)
}
ct := resp.Header.Get("Content-Type")
if !strings.Contains(ct, "text/html") {
t.Fatalf("expected Content-Type containing text/html, got %q", ct)
}
body, err := io.ReadAll(resp.Body)
if err != nil {
t.Fatalf("failed to read body: %v", err)
}
if !strings.Contains(string(body), "GraphQL") {
t.Fatalf("expected playground HTML containing 'GraphQL', got %q", string(body)[:200])
}
}
func TestWithGraphQL_Good_NoPlaygroundByDefault(t *testing.T) {
gin.SetMode(gin.TestMode)
// Without WithPlayground(), /graphql/playground should return 404.
e, err := api.New(api.WithGraphQL(newTestSchema()))
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
h := e.Handler()
w := httptest.NewRecorder()
req, _ := http.NewRequest(http.MethodGet, "/graphql/playground", nil)
h.ServeHTTP(w, req)
if w.Code != http.StatusNotFound {
t.Fatalf("expected 404 for /graphql/playground without WithPlayground, got %d", w.Code)
}
}
func TestWithGraphQL_Good_CustomPath(t *testing.T) {
gin.SetMode(gin.TestMode)
e, err := api.New(api.WithGraphQL(newTestSchema(), api.WithGraphQLPath("/gql"), api.WithPlayground()))
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
srv := httptest.NewServer(e.Handler())
defer srv.Close()
// Query endpoint should be at /gql.
body := `{"query":"{ name }"}`
resp, err := http.Post(srv.URL+"/gql", "application/json", strings.NewReader(body))
if err != nil {
t.Fatalf("request failed: %v", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
t.Fatalf("expected 200 at /gql, got %d", resp.StatusCode)
}
respBody, err := io.ReadAll(resp.Body)
if err != nil {
t.Fatalf("failed to read body: %v", err)
}
if !strings.Contains(string(respBody), `"name":"test"`) {
t.Fatalf("expected response containing name:test, got %q", string(respBody))
}
// Playground should be at /gql/playground.
pgResp, err := http.Get(srv.URL + "/gql/playground")
if err != nil {
t.Fatalf("playground request failed: %v", err)
}
defer pgResp.Body.Close()
if pgResp.StatusCode != http.StatusOK {
t.Fatalf("expected 200 at /gql/playground, got %d", pgResp.StatusCode)
}
// The default path should not exist.
defaultResp, err := http.Post(srv.URL+"/graphql", "application/json", strings.NewReader(body))
if err != nil {
t.Fatalf("default path request failed: %v", err)
}
defer defaultResp.Body.Close()
if defaultResp.StatusCode != http.StatusNotFound {
t.Fatalf("expected 404 at /graphql when custom path is /gql, got %d", defaultResp.StatusCode)
}
}
func TestWithGraphQL_Good_CombinesWithOtherMiddleware(t *testing.T) {
gin.SetMode(gin.TestMode)
e, err := api.New(
api.WithRequestID(),
api.WithGraphQL(newTestSchema()),
)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
srv := httptest.NewServer(e.Handler())
defer srv.Close()
body := `{"query":"{ name }"}`
resp, err := http.Post(srv.URL+"/graphql", "application/json", strings.NewReader(body))
if err != nil {
t.Fatalf("request failed: %v", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
t.Fatalf("expected 200, got %d", resp.StatusCode)
}
// RequestID middleware should have injected the header.
reqID := resp.Header.Get("X-Request-ID")
if reqID == "" {
t.Fatal("expected X-Request-ID header from RequestID middleware")
}
respBody, err := io.ReadAll(resp.Body)
if err != nil {
t.Fatalf("failed to read body: %v", err)
}
if !strings.Contains(string(respBody), `"name":"test"`) {
t.Fatalf("expected response containing name:test, got %q", string(respBody))
}
}

View file

@ -8,6 +8,7 @@ import (
"net/http"
"time"
"github.com/99designs/gqlgen/graphql"
"github.com/casbin/casbin/v2"
"github.com/gin-contrib/authz"
"github.com/gin-contrib/cors"
@ -277,3 +278,23 @@ func WithLocation() Option {
e.middlewares = append(e.middlewares, location.Default())
}
}
// WithGraphQL mounts a GraphQL endpoint serving the given gqlgen ExecutableSchema.
// By default the endpoint is mounted at "/graphql". Use GraphQLOption helpers to
// enable the playground UI or customise the path:
//
// api.New(
// api.WithGraphQL(schema, api.WithPlayground(), api.WithGraphQLPath("/gql")),
// )
func WithGraphQL(schema graphql.ExecutableSchema, opts ...GraphQLOption) Option {
return func(e *Engine) {
cfg := &graphqlConfig{
schema: schema,
path: defaultGraphQLPath,
}
for _, opt := range opts {
opt(cfg)
}
e.graphql = cfg
}
}