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d7e355bce1
* Add support for ending the inbound stream. Closes #191 * Add a simple success response to API requests * Connected clients API with geo details * Post-rebase cleanup * Make setting and reading geo details separate operations to unblock and speed up * Rename file * Fire geoip api call behind goroutine * Add comment * Post-rebase fixes * Add support for the MaxMind GeoLite2 GeoIP database
41 lines
1,021 B
Go
41 lines
1,021 B
Go
package utils
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import (
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"crypto/md5"
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"encoding/hex"
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"net"
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"net/http"
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"strings"
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log "github.com/sirupsen/logrus"
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)
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//GenerateClientIDFromRequest generates a client id from the provided request
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func GenerateClientIDFromRequest(req *http.Request) string {
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ipAddress := GetIPAddressFromRequest(req)
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ipAddressComponents := strings.Split(ipAddress, ":")
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ipAddressComponents[len(ipAddressComponents)-1] = ""
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clientID := strings.Join(ipAddressComponents, ":") + req.UserAgent()
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// Create a MD5 hash of this ip + useragent
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hasher := md5.New()
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hasher.Write([]byte(clientID))
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return hex.EncodeToString(hasher.Sum(nil))
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}
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// GetIPAddressFromRequest returns the IP address from a http request
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func GetIPAddressFromRequest(req *http.Request) string {
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ipAddressString := req.RemoteAddr
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xForwardedFor := req.Header.Get("X-FORWARDED-FOR")
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if xForwardedFor != "" {
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ipAddressString = xForwardedFor
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}
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ip, _, err := net.SplitHostPort(ipAddressString)
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if err != nil {
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log.Errorln(err)
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return ""
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}
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return ip
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}
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