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make tryUpstream independent func

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6543 2021-12-05 18:17:28 +01:00
parent e85f21ed2e
commit 0374e95d23
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GPG key ID: C99B82E40B027BAE
2 changed files with 68 additions and 29 deletions
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57
server/handler.go
View file

@ -110,29 +110,7 @@ func Handler(mainDomainSuffix, rawDomain []byte,
return true
}
// tryUpstream forwards the target request to the Gitea API, and shows an error page on failure.
var tryUpstream = func() {
// check if a canonical domain exists on a request on MainDomain
if bytes.HasSuffix(trimmedHost, mainDomainSuffix) {
canonicalDomain, _ := upstream.CheckCanonicalDomain(targetOwner, targetRepo, targetBranch, "", string(mainDomainSuffix), giteaRoot, giteaApiToken, canonicalDomainCache)
if !strings.HasSuffix(strings.SplitN(canonicalDomain, "/", 2)[0], string(mainDomainSuffix)) {
canonicalPath := string(ctx.RequestURI())
if targetRepo != "pages" {
canonicalPath = "/" + strings.SplitN(canonicalPath, "/", 3)[2]
}
ctx.Redirect("https://"+canonicalDomain+canonicalPath, fasthttp.StatusTemporaryRedirect)
return
}
}
// Try to request the file from the Gitea API
if !targetOptions.Upstream(ctx, targetOwner, targetRepo, targetBranch, targetPath, giteaRoot, giteaApiToken, branchTimestampCache, fileResponseCache) {
html.ReturnErrorPage(ctx, ctx.Response.StatusCode())
}
}
log.Debug().Msg("preparations")
if rawDomain != nil && bytes.Equal(trimmedHost, rawDomain) {
// Serve raw content from RawDomain
log.Debug().Msg("raw domain")
@ -157,7 +135,10 @@ func Handler(mainDomainSuffix, rawDomain []byte,
giteaRoot+"/"+targetOwner+"/"+targetRepo+"/src/branch/%b/%p",
) {
log.Debug().Msg("tryBranch, now trying upstream")
tryUpstream()
tryUpstream(ctx, mainDomainSuffix, trimmedHost,
targetOptions, targetOwner, targetRepo, targetBranch, targetPath,
giteaRoot, giteaApiToken,
canonicalDomainCache, branchTimestampCache, fileResponseCache)
return
}
log.Debug().Msg("missing branch")
@ -169,7 +150,10 @@ func Handler(mainDomainSuffix, rawDomain []byte,
giteaRoot+"/"+targetOwner+"/"+targetRepo+"/src/branch/%b/%p",
)
log.Debug().Msg("tryBranch, now trying upstream")
tryUpstream()
tryUpstream(ctx, mainDomainSuffix, trimmedHost,
targetOptions, targetOwner, targetRepo, targetBranch, targetPath,
giteaRoot, giteaApiToken,
canonicalDomainCache, branchTimestampCache, fileResponseCache)
return
}
@ -202,7 +186,10 @@ func Handler(mainDomainSuffix, rawDomain []byte,
"/"+pathElements[0]+"/%p",
) {
log.Debug().Msg("tryBranch, now trying upstream")
tryUpstream()
tryUpstream(ctx, mainDomainSuffix, trimmedHost,
targetOptions, targetOwner, targetRepo, targetBranch, targetPath,
giteaRoot, giteaApiToken,
canonicalDomainCache, branchTimestampCache, fileResponseCache)
} else {
html.ReturnErrorPage(ctx, fasthttp.StatusFailedDependency)
}
@ -215,7 +202,10 @@ func Handler(mainDomainSuffix, rawDomain []byte,
log.Debug().Msg("main domain preparations, now trying with specified branch")
if tryBranch("pages", pathElements[0][1:], pathElements[1:], "/%p") {
log.Debug().Msg("tryBranch, now trying upstream")
tryUpstream()
tryUpstream(ctx, mainDomainSuffix, trimmedHost,
targetOptions, targetOwner, targetRepo, targetBranch, targetPath,
giteaRoot, giteaApiToken,
canonicalDomainCache, branchTimestampCache, fileResponseCache)
} else {
html.ReturnErrorPage(ctx, fasthttp.StatusFailedDependency)
}
@ -228,7 +218,10 @@ func Handler(mainDomainSuffix, rawDomain []byte,
log.Debug().Msg("main domain preparations, now trying with specified repo")
if pathElements[0] != "pages" && tryBranch(pathElements[0], "pages", pathElements[1:], "") {
log.Debug().Msg("tryBranch, now trying upstream")
tryUpstream()
tryUpstream(ctx, mainDomainSuffix, trimmedHost,
targetOptions, targetOwner, targetRepo, targetBranch, targetPath,
giteaRoot, giteaApiToken,
canonicalDomainCache, branchTimestampCache, fileResponseCache)
return
}
@ -237,7 +230,10 @@ func Handler(mainDomainSuffix, rawDomain []byte,
log.Debug().Msg("main domain preparations, now trying with default repo/branch")
if tryBranch("pages", "", pathElements, "") {
log.Debug().Msg("tryBranch, now trying upstream")
tryUpstream()
tryUpstream(ctx, mainDomainSuffix, trimmedHost,
targetOptions, targetOwner, targetRepo, targetBranch, targetPath,
giteaRoot, giteaApiToken,
canonicalDomainCache, branchTimestampCache, fileResponseCache)
return
}
@ -282,7 +278,10 @@ func Handler(mainDomainSuffix, rawDomain []byte,
}
log.Debug().Msg("tryBranch, now trying upstream")
tryUpstream()
tryUpstream(ctx, mainDomainSuffix, trimmedHost,
targetOptions, targetOwner, targetRepo, targetBranch, targetPath,
giteaRoot, giteaApiToken,
canonicalDomainCache, branchTimestampCache, fileResponseCache)
return
} else {
html.ReturnErrorPage(ctx, fasthttp.StatusFailedDependency)

40
server/try.go Normal file
View file

@ -0,0 +1,40 @@
package server
import (
"bytes"
"strings"
"github.com/valyala/fasthttp"
"codeberg.org/codeberg/pages/html"
"codeberg.org/codeberg/pages/server/cache"
"codeberg.org/codeberg/pages/server/upstream"
)
// tryUpstream forwards the target request to the Gitea API, and shows an error page on failure.
func tryUpstream(ctx *fasthttp.RequestCtx,
mainDomainSuffix, trimmedHost []byte,
targetOptions *upstream.Options,
targetOwner, targetRepo, targetBranch, targetPath,
giteaRoot, giteaAPIToken string,
canonicalDomainCache, branchTimestampCache, fileResponseCache cache.SetGetKey) {
// check if a canonical domain exists on a request on MainDomain
if bytes.HasSuffix(trimmedHost, mainDomainSuffix) {
canonicalDomain, _ := upstream.CheckCanonicalDomain(targetOwner, targetRepo, targetBranch, "", string(mainDomainSuffix), giteaRoot, giteaAPIToken, canonicalDomainCache)
if !strings.HasSuffix(strings.SplitN(canonicalDomain, "/", 2)[0], string(mainDomainSuffix)) {
canonicalPath := string(ctx.RequestURI())
if targetRepo != "pages" {
canonicalPath = "/" + strings.SplitN(canonicalPath, "/", 3)[2]
}
ctx.Redirect("https://"+canonicalDomain+canonicalPath, fasthttp.StatusTemporaryRedirect)
return
}
}
// Try to request the file from the Gitea API
if !targetOptions.Upstream(ctx, targetOwner, targetRepo, targetBranch, targetPath, giteaRoot, giteaAPIToken, branchTimestampCache, fileResponseCache) {
html.ReturnErrorPage(ctx, ctx.Response.StatusCode())
}
}