mirror of
https://github.com/oauth2-proxy/oauth2-proxy.git
synced 2025-04-23 12:18:50 +02:00
6fb3274ca3
Reorganized the structure of the Request Utils due to their widespread use resulting in circular imports issues (mostly because of middleware & logger).
84 lines
2.8 KiB
Go
84 lines
2.8 KiB
Go
package cookies
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import (
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"fmt"
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"net"
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"net/http"
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"strings"
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"time"
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"github.com/oauth2-proxy/oauth2-proxy/v7/pkg/apis/options"
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"github.com/oauth2-proxy/oauth2-proxy/v7/pkg/logger"
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requestutil "github.com/oauth2-proxy/oauth2-proxy/v7/pkg/requests/util"
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)
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// MakeCookie constructs a cookie from the given parameters,
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// discovering the domain from the request if not specified.
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func MakeCookie(req *http.Request, name string, value string, path string, domain string, httpOnly bool, secure bool, expiration time.Duration, now time.Time, sameSite http.SameSite) *http.Cookie {
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if domain != "" {
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host := requestutil.GetRequestHost(req)
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if h, _, err := net.SplitHostPort(host); err == nil {
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host = h
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}
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if !strings.HasSuffix(host, domain) {
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logger.Errorf("Warning: request host is %q but using configured cookie domain of %q", host, domain)
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}
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}
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return &http.Cookie{
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Name: name,
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Value: value,
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Path: path,
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Domain: domain,
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HttpOnly: httpOnly,
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Secure: secure,
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Expires: now.Add(expiration),
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SameSite: sameSite,
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}
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}
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// MakeCookieFromOptions constructs a cookie based on the given *options.CookieOptions,
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// value and creation time
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func MakeCookieFromOptions(req *http.Request, name string, value string, cookieOpts *options.Cookie, expiration time.Duration, now time.Time) *http.Cookie {
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domain := GetCookieDomain(req, cookieOpts.Domains)
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if domain != "" {
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return MakeCookie(req, name, value, cookieOpts.Path, domain, cookieOpts.HTTPOnly, cookieOpts.Secure, expiration, now, ParseSameSite(cookieOpts.SameSite))
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}
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// If nothing matches, create the cookie with the shortest domain
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defaultDomain := ""
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if len(cookieOpts.Domains) > 0 {
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logger.Errorf("Warning: request host %q did not match any of the specific cookie domains of %q", requestutil.GetRequestHost(req), strings.Join(cookieOpts.Domains, ","))
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defaultDomain = cookieOpts.Domains[len(cookieOpts.Domains)-1]
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}
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return MakeCookie(req, name, value, cookieOpts.Path, defaultDomain, cookieOpts.HTTPOnly, cookieOpts.Secure, expiration, now, ParseSameSite(cookieOpts.SameSite))
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}
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// GetCookieDomain returns the correct cookie domain given a list of domains
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// by checking the X-Fowarded-Host and host header of an an http request
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func GetCookieDomain(req *http.Request, cookieDomains []string) string {
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host := requestutil.GetRequestHost(req)
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for _, domain := range cookieDomains {
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if strings.HasSuffix(host, domain) {
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return domain
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}
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}
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return ""
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}
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// Parse a valid http.SameSite value from a user supplied string for use of making cookies.
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func ParseSameSite(v string) http.SameSite {
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switch v {
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case "lax":
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return http.SameSiteLaxMode
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case "strict":
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return http.SameSiteStrictMode
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case "none":
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return http.SameSiteNoneMode
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case "":
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return http.SameSiteDefaultMode
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default:
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panic(fmt.Sprintf("Invalid value for SameSite: %s", v))
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}
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}
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