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woodpecker/router/middleware/agent.go
2016-04-21 17:10:19 -07:00

46 lines
1.0 KiB
Go

package middleware
import (
"github.com/drone/drone/shared/token"
"github.com/Sirupsen/logrus"
"github.com/gin-gonic/gin"
"github.com/ianschenck/envflag"
)
var (
secret = envflag.String("AGENT_SECRET", "", "")
noauth = envflag.Bool("AGENT_NO_AUTH", false, "")
)
// Agent is a middleware function that initializes the authorization middleware
// for agents to connect to the queue.
func AgentMust() gin.HandlerFunc {
if *secret == "" {
logrus.Fatalf("please provide the agent secret to authenticate agent requests")
}
t := token.New(token.AgentToken, "")
s, err := t.Sign(*secret)
if err != nil {
logrus.Fatalf("invalid agent secret. %s", err)
}
logrus.Infof("using agent secret %s", *secret)
logrus.Warnf("agents can connect with token %s", s)
return func(c *gin.Context) {
parsed, err := token.ParseRequest(c.Request, func(t *token.Token) (string, error) {
return *secret, nil
})
if err != nil {
c.AbortWithError(403, err)
} else if parsed.Kind != token.AgentToken {
c.AbortWithStatus(403)
} else {
c.Next()
}
}
}