commit fa7fb69f029de0f3e6c89be89134eb887a0e2f2e Author: garionion Date: Fri Sep 17 13:00:28 2021 +0200 initial commit diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..5dd411d --- /dev/null +++ b/go.mod @@ -0,0 +1,25 @@ +module gitea-attachements-proxy + +go 1.17 + +require ( + code.gitea.io/sdk/gitea v0.15.0 + github.com/gofiber/fiber/v2 v2.18.0 + github.com/kpango/glg v1.6.4 +) + +require ( + github.com/andybalholm/brotli v1.0.3 // indirect + github.com/goccy/go-json v0.7.8 // indirect + github.com/hashicorp/go-version v1.3.0 // indirect + github.com/klauspost/compress v1.13.5 // indirect + github.com/kpango/fastime v1.0.17 // indirect + github.com/stretchr/testify v1.7.0 // indirect + github.com/valyala/bytebufferpool v1.0.0 // indirect + github.com/valyala/fasthttp v1.30.0 // indirect + github.com/valyala/tcplisten v1.0.0 // indirect + go.uber.org/atomic v1.9.0 // indirect + go.uber.org/multierr v1.7.0 // indirect + go.uber.org/zap v1.19.0 // indirect + golang.org/x/sys v0.0.0-20210514084401-e8d321eab015 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..81361c7 --- /dev/null +++ b/go.sum @@ -0,0 +1,97 @@ +code.gitea.io/gitea-vet v0.2.1/go.mod h1:zcNbT/aJEmivCAhfmkHOlT645KNOf9W2KnkLgFjGGfE= +code.gitea.io/sdk/gitea v0.15.0 h1:tsNhxDM/2N1Ohv1Xq5UWrht/esg0WmtRj4wsHVHriTg= +code.gitea.io/sdk/gitea v0.15.0/go.mod h1:klY2LVI3s3NChzIk/MzMn7G1FHrfU7qd63iSMVoHRBA= +github.com/andybalholm/brotli v1.0.2/go.mod h1:loMXtMfwqflxFJPmdbJO0a3KNoPuLBgiu3qAvBg8x/Y= +github.com/andybalholm/brotli v1.0.3 h1:fpcw+r1N1h0Poc1F/pHbW40cUm/lMEQslZtCkBQ0UnM= +github.com/andybalholm/brotli v1.0.3/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig= +github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA= +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/goccy/go-json v0.7.4/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I= +github.com/goccy/go-json v0.7.8 h1:CvMH7LotYymYuLGEohBM1lTZWX4g6jzWUUl2aLFuBoE= +github.com/goccy/go-json v0.7.8/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I= +github.com/gofiber/fiber/v2 v2.18.0 h1:xCWYSVoTNibHpzfciPwUSZGiTyTpTXYchCwynuJU09s= +github.com/gofiber/fiber/v2 v2.18.0/go.mod h1:/LdZHMUXZvTTo7gU4+b1hclqCAdoQphNQ9bi9gutPyI= +github.com/golang/snappy v0.0.3/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q= +github.com/hashicorp/go-version v1.2.1/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA= +github.com/hashicorp/go-version v1.3.0 h1:McDWVJIU/y+u1BRV06dPaLfLCaT7fUTJLp5r04x7iNw= +github.com/hashicorp/go-version v1.3.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA= +github.com/klauspost/compress v1.13.4/go.mod h1:8dP1Hq4DHOhN9w426knH3Rhby4rFm6D8eO+e+Dq5Gzg= 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h1:2rsYD01CKFrjjsvFxx75KlEUNpWNBY9JWD3K/7o2Cus= +github.com/valyala/fasthttp v1.30.0 h1:nBNzWrgZUUHohyLPU/jTvXdhrcaf2m5k3bWk+3Q049g= +github.com/valyala/fasthttp v1.30.0/go.mod h1:2rsYD01CKFrjjsvFxx75KlEUNpWNBY9JWD3K/7o2Cus= +github.com/valyala/tcplisten v1.0.0 h1:rBHj/Xf+E1tRGZyWIWwJDiRY0zc1Js+CV5DqwacVSA8= +github.com/valyala/tcplisten v1.0.0/go.mod h1:T0xQ8SeCZGxckz9qRXTfG43PvQ/mcWh7FwZEA7Ioqkc= +github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74= +go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc= +go.uber.org/atomic v1.9.0 h1:ECmE8Bn/WFTYwEW/bpKD3M8VtR/zQVbavAoalC1PYyE= +go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc= +go.uber.org/goleak v1.1.10/go.mod h1:8a7PlsEVH3e/a/GLqe5IIrQx6GzcnRmZEufDUTk4A7A= +go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU= +go.uber.org/multierr v1.7.0 h1:zaiO/rmgFjbmCXdSYJWQcdvOCsthmdaHfr3Gm2Kx4Ec= +go.uber.org/multierr 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h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo= +gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/main.go b/main.go new file mode 100644 index 0000000..79af8c6 --- /dev/null +++ b/main.go @@ -0,0 +1,132 @@ +package main + +import ( + "code.gitea.io/sdk/gitea" + "fmt" + "github.com/gofiber/fiber/v2" + "github.com/gofiber/fiber/v2/middleware/recover" + "github.com/kpango/glg" +) + +type Channel int + +const ( + Stable Channel = iota + Prerelease +) + +type Attachement struct { + User string + Repo string + Tag string + Filename string + Channel Channel +} + +const giteaURL = "https://git.entr0py.de" + +func getAttachementURL(attachement Attachement) (string, error) { + client, err := gitea.NewClient(giteaURL) + if err != nil { + return "", fmt.Errorf("Failed to create gitea client: %v") + } + var release *gitea.Release + if attachement.Tag != "" { + release, _, err = client.GetReleaseByTag(attachement.User, attachement.Repo, attachement.Tag) + if err != nil { + return "", fmt.Errorf("Failed to get release by tag: %v") + } + } else { + isPrerelease := false + if attachement.Channel == Prerelease { + isPrerelease = true + } + releases, _, err := client.ListReleases(attachement.User, attachement.Repo, gitea.ListReleasesOptions{IsPreRelease: &isPrerelease}) + if err != nil { + return "", fmt.Errorf("Failed to get releases: %v") + } + if len(releases) == 0 { + return "", fmt.Errorf("no release found") + } + release = releases[0] + } + for _, a := range release.Attachments { + if a.Name == attachement.Filename { + return a.DownloadURL, nil + } + } + return "", fmt.Errorf("no matching attachement found") +} + +func main() { + + app := fiber.New(fiber.Config{ + GETOnly: true, + ServerHeader: "Fiber", + AppName: "Test App v1.0.1", + }) + app.Use(recover.New()) + + app.Get("/:user/:repo/releases/download/latest/:name", func(c *fiber.Ctx) error { + glg.Debugf("%+v", map[string]string{"user": c.Params("user"), "repo": c.Params("repo"), "name": c.Params("name")}) + attachement := Attachement{ + User: c.Params("user"), + Repo: c.Params("repo"), + Filename: c.Params("name"), + Channel: Stable, + } + url, err := getAttachementURL(attachement) + if err != nil { + glg.Debug(err) + c.SendString(err.Error()) + c.SendStatus(404) + return nil + } + c.Redirect(url, 307) + return nil + }) + + app.Get("/:user/:repo/releases/download/latest\\::channel/:name", func(c *fiber.Ctx) error { + glg.Debugf("%+v", map[string]string{"user": c.Params("user"), "repo": c.Params("repo"), "name": c.Params("name"), "channel": c.Params("channel")}) + channel := Stable + if c.Params("channel") == "prerelease" { + channel = Prerelease + } + attachement := Attachement{ + User: c.Params("user"), + Repo: c.Params("repo"), + Filename: c.Params("name"), + Channel: channel, + } + url, err := getAttachementURL(attachement) + if err != nil { + glg.Debug(err) + c.SendString(err.Error()) + c.SendStatus(404) + return nil + } + c.Redirect(url, 307) + return nil + }) + + app.Get("/:user/:repo/releases/download/tag\\::tag/:name", func(c *fiber.Ctx) error { + glg.Debugf("%+v", map[string]string{"user": c.Params("user"), "repo": c.Params("repo"), "name": c.Params("name"), "tag": c.Params("tag")}) + attachement := Attachement{ + User: c.Params("user"), + Repo: c.Params("repo"), + Filename: c.Params("name"), + Tag: c.Params("tag"), + } + url, err := getAttachementURL(attachement) + if err != nil { + glg.Debug(err) + c.SendString(err.Error()) + c.SendStatus(404) + return nil + } + c.Redirect(url, 307) + return nil + }) + + app.Listen(":8080") +}