woodpecker/router/middleware/session/repo.go

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package session
import (
"net/http"
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"os"
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"github.com/drone/drone/cache"
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"github.com/drone/drone/model"
"github.com/drone/drone/store"
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log "github.com/Sirupsen/logrus"
"github.com/gin-gonic/gin"
)
func Repo(c *gin.Context) *model.Repo {
v, ok := c.Get("repo")
if !ok {
return nil
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}
r, ok := v.(*model.Repo)
if !ok {
return nil
}
return r
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}
func Repos(c *gin.Context) []*model.RepoLite {
v, ok := c.Get("repos")
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if !ok {
return nil
}
r, ok := v.([]*model.RepoLite)
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if !ok {
return nil
}
return r
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}
func SetRepo() gin.HandlerFunc {
return func(c *gin.Context) {
var (
owner = c.Param("owner")
name = c.Param("name")
user = User(c)
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)
repo, err := store.GetRepoOwnerName(c, owner, name)
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if err == nil {
c.Set("repo", repo)
c.Next()
return
}
// debugging
log.Debugf("Cannot find repository %s/%s. %s",
owner,
name,
err.Error(),
)
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if user != nil {
c.AbortWithStatus(http.StatusNotFound)
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} else {
c.AbortWithStatus(http.StatusUnauthorized)
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}
}
}
func Perm(c *gin.Context) *model.Perm {
v, ok := c.Get("perm")
if !ok {
return nil
}
u, ok := v.(*model.Perm)
if !ok {
return nil
}
return u
}
func SetPerm() gin.HandlerFunc {
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PUBLIC_MODE := os.Getenv("PUBLIC_MODE")
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return func(c *gin.Context) {
user := User(c)
repo := Repo(c)
perm := &model.Perm{}
switch {
// if the user is not authenticated, and the
// repository is private, the user has NO permission
// to view the repository.
case user == nil && repo.IsPrivate == true:
perm.Pull = false
perm.Push = false
perm.Admin = false
// if the user is not authenticated, but the repository
// is public, the user has pull-rights only.
case user == nil && repo.IsPrivate == false:
perm.Pull = true
perm.Push = false
perm.Admin = false
case user.Admin:
perm.Pull = true
perm.Push = true
perm.Admin = true
// otherwise if the user is authenticated we should
// check the remote system to get the users permissiosn.
default:
var err error
perm, err = cache.GetPerms(c, user, repo.Owner, repo.Name)
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if err != nil {
perm.Pull = false
perm.Push = false
perm.Admin = false
// debug
log.Errorf("Error fetching permission for %s %s",
user.Login, repo.FullName)
}
// if we couldn't fetch permissions, but the repository
// is public, we should grant the user pull access.
if err != nil && repo.IsPrivate == false {
perm.Pull = true
}
}
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// all build logs are visible in public mode
if PUBLIC_MODE != "" {
perm.Pull = true
}
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if user != nil {
log.Debugf("%s granted %+v permission to %s",
user.Login, perm, repo.FullName)
} else {
log.Debugf("Guest granted %+v to %s", perm, repo.FullName)
}
c.Set("perm", perm)
c.Next()
}
}
func MustPull(c *gin.Context) {
user := User(c)
perm := Perm(c)
if perm.Pull {
c.Next()
return
}
// debugging
if user != nil {
c.AbortWithStatus(http.StatusNotFound)
log.Debugf("User %s denied read access to %s",
user.Login, c.Request.URL.Path)
} else {
c.AbortWithStatus(http.StatusUnauthorized)
log.Debugf("Guest denied read access to %s %s",
c.Request.Method,
c.Request.URL.Path,
)
}
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}
func MustPush(c *gin.Context) {
user := User(c)
perm := Perm(c)
// if the user has push access, immediately proceed
// the middleware execution chain.
if perm.Push {
c.Next()
return
}
// debugging
if user != nil {
c.AbortWithStatus(http.StatusNotFound)
log.Debugf("User %s denied write access to %s",
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user.Login, c.Request.URL.Path)
} else {
c.AbortWithStatus(http.StatusUnauthorized)
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log.Debugf("Guest denied write access to %s %s",
c.Request.Method,
c.Request.URL.Path,
)
}
}