mirror of https://github.com/astaxie/beego.git
130 lines
3.1 KiB
Go
130 lines
3.1 KiB
Go
package beego
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import (
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"bytes"
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"fmt"
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"mime"
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"net/http"
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"strings"
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)
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type Context struct {
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ResponseWriter http.ResponseWriter
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Request *http.Request
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RequestBody []byte
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Params map[string]string
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}
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func (ctx *Context) WriteString(content string) {
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ctx.ResponseWriter.Write([]byte(content))
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}
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func (ctx *Context) Abort(status int, body string) {
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ctx.ResponseWriter.WriteHeader(status)
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ctx.ResponseWriter.Write([]byte(body))
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}
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func (ctx *Context) Redirect(status int, url_ string) {
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ctx.ResponseWriter.Header().Set("Location", url_)
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ctx.ResponseWriter.WriteHeader(status)
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}
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func (ctx *Context) NotModified() {
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ctx.ResponseWriter.WriteHeader(304)
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}
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func (ctx *Context) NotFound(message string) {
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ctx.ResponseWriter.WriteHeader(404)
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ctx.ResponseWriter.Write([]byte(message))
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}
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//Sets the content type by extension, as defined in the mime package.
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//For example, ctx.ContentType("json") sets the content-type to "application/json"
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func (ctx *Context) ContentType(ext string) {
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if !strings.HasPrefix(ext, ".") {
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ext = "." + ext
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}
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ctype := mime.TypeByExtension(ext)
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if ctype != "" {
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ctx.ResponseWriter.Header().Set("Content-Type", ctype)
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}
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}
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func (ctx *Context) SetHeader(hdr string, val string, unique bool) {
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if unique {
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ctx.ResponseWriter.Header().Set(hdr, val)
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} else {
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ctx.ResponseWriter.Header().Add(hdr, val)
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}
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}
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//Sets a cookie -- duration is the amount of time in seconds. 0 = forever
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//params:
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//string name
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//string value
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//int64 expire = 0
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//string $path
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//string $domain
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//bool $secure = false
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//bool $httponly = false
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func (ctx *Context) SetCookie(name string, value string, others ...interface{}) {
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var b bytes.Buffer
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fmt.Fprintf(&b, "%s=%s", sanitizeName(name), sanitizeValue(value))
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if len(others) > 0 {
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switch others[0].(type) {
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case int:
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if others[0].(int) > 0 {
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fmt.Fprintf(&b, "; Max-Age=%d", others[0].(int))
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} else if others[0].(int) < 0 {
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fmt.Fprintf(&b, "; Max-Age=0")
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}
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case int64:
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if others[0].(int64) > 0 {
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fmt.Fprintf(&b, "; Max-Age=%d", others[0].(int64))
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} else if others[0].(int64) < 0 {
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fmt.Fprintf(&b, "; Max-Age=0")
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}
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case int32:
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if others[0].(int32) > 0 {
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fmt.Fprintf(&b, "; Max-Age=%d", others[0].(int32))
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} else if others[0].(int32) < 0 {
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fmt.Fprintf(&b, "; Max-Age=0")
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}
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}
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}
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if len(others) > 1 {
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fmt.Fprintf(&b, "; Path=%s", sanitizeValue(others[1].(string)))
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}
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if len(others) > 2 {
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fmt.Fprintf(&b, "; Domain=%s", sanitizeValue(others[2].(string)))
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}
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if len(others) > 3 {
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fmt.Fprintf(&b, "; Secure")
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}
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if len(others) > 4 {
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fmt.Fprintf(&b, "; HttpOnly")
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}
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ctx.SetHeader("Set-Cookie", b.String(), false)
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}
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var cookieNameSanitizer = strings.NewReplacer("\n", "-", "\r", "-")
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func sanitizeName(n string) string {
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return cookieNameSanitizer.Replace(n)
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}
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var cookieValueSanitizer = strings.NewReplacer("\n", " ", "\r", " ", ";", " ")
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func sanitizeValue(v string) string {
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return cookieValueSanitizer.Replace(v)
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}
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func (ctx *Context) GetCookie(key string) string {
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keycookie, err := ctx.Request.Cookie(key)
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if err != nil {
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return ""
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}
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return keycookie.Value
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}
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