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Escape variables in add-base-url annotation

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This commit is contained in:
Manuel de Brito Fontes 2018-04-05 20:21:35 -03:00
parent ab8349008a
commit 82b6c33c25
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GPG key ID: 786136016A8BA02A
2 changed files with 76 additions and 62 deletions
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38
internal/ingress/controller/template/template.go
View file

@ -366,39 +366,43 @@ func buildProxyPass(host string, b interface{}, loc interface{}, dynamicConfigur
}
if len(location.Rewrite.Target) > 0 {
abu := ""
var abu string
var xForwardedPrefix string
if location.Rewrite.AddBaseURL {
// path has a slash suffix, so that it can be connected with baseuri directly
bPath := fmt.Sprintf("%s%s", path, "$baseuri")
bPath := fmt.Sprintf("%s$escaped_base_uri", path)
regex := `(<(?:H|h)(?:E|e)(?:A|a)(?:D|d)(?:[^">]|"[^"]*")*>)`
scheme := "$scheme"
if len(location.Rewrite.BaseURLScheme) > 0 {
abu = fmt.Sprintf(`subs_filter '%v' '$1<base href="%v://$http_host%v">' ro;
`, regex, location.Rewrite.BaseURLScheme, bPath)
} else {
abu = fmt.Sprintf(`subs_filter '%v' '$1<base href="$scheme://$http_host%v">' ro;
`, regex, bPath)
scheme = location.Rewrite.BaseURLScheme
}
abu = fmt.Sprintf(`
set_escape_uri $escaped_base_uri $baseuri;
subs_filter '%v' '$1<base href="%v://$http_host%v">' ro;
`, regex, scheme, bPath)
}
xForwardedPrefix := ""
if location.XForwardedPrefix {
xForwardedPrefix = fmt.Sprintf(`proxy_set_header X-Forwarded-Prefix "%s";
`, path)
xForwardedPrefix = fmt.Sprintf("proxy_set_header X-Forwarded-Prefix \"%s\";\n", path)
}
if location.Rewrite.Target == slash {
// special case redirect to /
// ie /something to /
return fmt.Sprintf(`
rewrite %s(.*) /$1 break;
rewrite %s / break;
%v%v %s://%s;
%v`, path, location.Path, xForwardedPrefix, proxyPass, proto, upstreamName, abu)
rewrite %s(.*) /$1 break;
rewrite %s / break;
%v%v %s://%s;
%v`, path, location.Path, xForwardedPrefix, proxyPass, proto, upstreamName, abu)
}
return fmt.Sprintf(`
rewrite %s(.*) %s/$1 break;
%v%v %s://%s;
%v`, path, location.Rewrite.Target, xForwardedPrefix, proxyPass, proto, upstreamName, abu)
rewrite %s(.*) %s/$1 break;
%v%v %s://%s;
%v`, path, location.Rewrite.Target, xForwardedPrefix, proxyPass, proto, upstreamName, abu)
}
// default proxy_pass

100
internal/ingress/controller/template/template_test.go
View file

@ -121,9 +121,9 @@ var (
"/jenkins",
"~* /",
`
rewrite /(.*) /jenkins/$1 break;
proxy_pass http://upstream-name;
`,
rewrite /(.*) /jenkins/$1 break;
proxy_pass http://upstream-name;
`,
false,
"",
false,
@ -135,10 +135,10 @@ var (
"/",
`~* ^/something\/?(?<baseuri>.*)`,
`
rewrite /something/(.*) /$1 break;
rewrite /something / break;
proxy_pass http://upstream-name;
`,
rewrite /something/(.*) /$1 break;
rewrite /something / break;
proxy_pass http://upstream-name;
`,
false,
"",
false,
@ -150,9 +150,9 @@ var (
"/not-root",
"~* ^/end-with-slash/(?<baseuri>.*)",
`
rewrite /end-with-slash/(.*) /not-root/$1 break;
proxy_pass http://upstream-name;
`,
rewrite /end-with-slash/(.*) /not-root/$1 break;
proxy_pass http://upstream-name;
`,
false,
"",
false,
@ -164,9 +164,9 @@ var (
"/not-root",
`~* ^/something-complex\/?(?<baseuri>.*)`,
`
rewrite /something-complex/(.*) /not-root/$1 break;
proxy_pass http://upstream-name;
`,
rewrite /something-complex/(.*) /not-root/$1 break;
proxy_pass http://upstream-name;
`,
false,
"",
false,
@ -178,10 +178,12 @@ var (
"/jenkins",
"~* /",
`
rewrite /(.*) /jenkins/$1 break;
proxy_pass http://upstream-name;
subs_filter '(<(?:H|h)(?:E|e)(?:A|a)(?:D|d)(?:[^">]|"[^"]*")*>)' '$1<base href="$scheme://$http_host/$baseuri">' ro;
`,
rewrite /(.*) /jenkins/$1 break;
proxy_pass http://upstream-name;
set_escape_uri $escaped_base_uri $baseuri;
subs_filter '(<(?:H|h)(?:E|e)(?:A|a)(?:D|d)(?:[^">]|"[^"]*")*>)' '$1<base href="$scheme://$http_host/$escaped_base_uri">' ro;
`,
true,
"",
false,
@ -193,11 +195,13 @@ var (
"/",
`~* ^/something\/?(?<baseuri>.*)`,
`
rewrite /something/(.*) /$1 break;
rewrite /something / break;
proxy_pass http://upstream-name;
subs_filter '(<(?:H|h)(?:E|e)(?:A|a)(?:D|d)(?:[^">]|"[^"]*")*>)' '$1<base href="$scheme://$http_host/something/$baseuri">' ro;
`,
rewrite /something/(.*) /$1 break;
rewrite /something / break;
proxy_pass http://upstream-name;
set_escape_uri $escaped_base_uri $baseuri;
subs_filter '(<(?:H|h)(?:E|e)(?:A|a)(?:D|d)(?:[^">]|"[^"]*")*>)' '$1<base href="$scheme://$http_host/something/$escaped_base_uri">' ro;
`,
true,
"",
false,
@ -209,10 +213,12 @@ var (
"/not-root",
`~* ^/end-with-slash/(?<baseuri>.*)`,
`
rewrite /end-with-slash/(.*) /not-root/$1 break;
proxy_pass http://upstream-name;
subs_filter '(<(?:H|h)(?:E|e)(?:A|a)(?:D|d)(?:[^">]|"[^"]*")*>)' '$1<base href="$scheme://$http_host/end-with-slash/$baseuri">' ro;
`,
rewrite /end-with-slash/(.*) /not-root/$1 break;
proxy_pass http://upstream-name;
set_escape_uri $escaped_base_uri $baseuri;
subs_filter '(<(?:H|h)(?:E|e)(?:A|a)(?:D|d)(?:[^">]|"[^"]*")*>)' '$1<base href="$scheme://$http_host/end-with-slash/$escaped_base_uri">' ro;
`,
true,
"",
false,
@ -224,10 +230,12 @@ var (
"/not-root",
`~* ^/something-complex\/?(?<baseuri>.*)`,
`
rewrite /something-complex/(.*) /not-root/$1 break;
proxy_pass http://upstream-name;
subs_filter '(<(?:H|h)(?:E|e)(?:A|a)(?:D|d)(?:[^">]|"[^"]*")*>)' '$1<base href="$scheme://$http_host/something-complex/$baseuri">' ro;
`,
rewrite /something-complex/(.*) /not-root/$1 break;
proxy_pass http://upstream-name;
set_escape_uri $escaped_base_uri $baseuri;
subs_filter '(<(?:H|h)(?:E|e)(?:A|a)(?:D|d)(?:[^">]|"[^"]*")*>)' '$1<base href="$scheme://$http_host/something-complex/$escaped_base_uri">' ro;
`,
true,
"",
false,
@ -239,11 +247,13 @@ var (
"/",
`~* ^/something\/?(?<baseuri>.*)`,
`
rewrite /something/(.*) /$1 break;
rewrite /something / break;
proxy_pass http://upstream-name;
subs_filter '(<(?:H|h)(?:E|e)(?:A|a)(?:D|d)(?:[^">]|"[^"]*")*>)' '$1<base href="http://$http_host/something/$baseuri">' ro;
`,
rewrite /something/(.*) /$1 break;
rewrite /something / break;
proxy_pass http://upstream-name;
set_escape_uri $escaped_base_uri $baseuri;
subs_filter '(<(?:H|h)(?:E|e)(?:A|a)(?:D|d)(?:[^">]|"[^"]*")*>)' '$1<base href="http://$http_host/something/$escaped_base_uri">' ro;
`,
true,
"http",
false,
@ -255,9 +265,9 @@ var (
"/something",
`~* /`,
`
rewrite /(.*) /something/$1 break;
proxy_pass http://sticky-upstream-name;
`,
rewrite /(.*) /something/$1 break;
proxy_pass http://sticky-upstream-name;
`,
false,
"http",
true,
@ -269,9 +279,9 @@ var (
"/something",
`~* /`,
`
rewrite /(.*) /something/$1 break;
proxy_pass http://upstream_balancer;
`,
rewrite /(.*) /something/$1 break;
proxy_pass http://upstream_balancer;
`,
false,
"http",
true,
@ -283,10 +293,10 @@ var (
"/something",
`~* ^/there\/?(?<baseuri>.*)`,
`
rewrite /there/(.*) /something/$1 break;
proxy_set_header X-Forwarded-Prefix "/there/";
proxy_pass http://sticky-upstream-name;
`,
rewrite /there/(.*) /something/$1 break;
proxy_set_header X-Forwarded-Prefix "/there/";
proxy_pass http://sticky-upstream-name;
`,
false,
"http",
true,