forked from domainr/epp
/
check.go
152 lines (138 loc) · 4.41 KB
/
check.go
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package epp
import (
"bytes"
"encoding/xml"
"github.com/nbio/xx"
)
// CheckDomain queries the EPP server for the availability status of one or more domains.
func (c *Conn) CheckDomain(domains ...string) (*DomainCheckResponse, error) {
err := encodeDomainCheck(&c.buf, domains, c.Greeting.SupportsExtension(ExtFee))
if err != nil {
return nil, err
}
err = c.flushDataUnit()
if err != nil {
return nil, err
}
var res response_
err = c.readResponse(&res)
if err != nil {
return nil, err
}
return &res.DomainCheckResponse, nil
}
func encodeDomainCheck(buf *bytes.Buffer, domains []string, extFee bool) error {
buf.Reset()
buf.WriteString(xmlCommandPrefix)
buf.WriteString(`<check>`)
buf.WriteString(`<domain:check xmlns:domain="urn:ietf:params:xml:ns:domain-1.0">`)
for _, domain := range domains {
buf.WriteString(`<domain:name>`)
xml.EscapeText(buf, []byte(domain))
buf.WriteString(`</domain:name>`)
}
buf.WriteString(`</domain:check>`)
buf.WriteString(`</check>`)
if extFee {
// Extensions
buf.WriteString(`<extension>`)
// CentralNic fee extension
buf.WriteString(`<fee:check xmlns:fee="urn:ietf:params:xml:ns:fee-0.5">`)
for _, domain := range domains {
buf.WriteString(`<fee:domain>`)
buf.WriteString(`<fee:name>`)
xml.EscapeText(buf, []byte(domain))
buf.WriteString(`</fee:name>`)
buf.WriteString(`<fee:command>create</fee:command>`)
buf.WriteString(`</fee:domain>`)
}
buf.WriteString(`</fee:check>`)
buf.WriteString(`</extension>`)
}
buf.WriteString(xmlCommandSuffix)
return nil
}
type DomainCheckResponse struct {
Checks []DomainCheck
Charges []DomainCharge
}
type DomainCheck struct {
Domain string
Reason string
Available bool
}
type DomainCharge struct {
Domain string
Category string
CategoryName string
}
func init() {
// Default EPP check data
path := "epp > response > resData > " + ObjDomain + " chkData"
scanResponse.MustHandleStartElement(path+">cd", func(c *xx.Context) error {
dcd := &c.Value.(*response_).DomainCheckResponse
dcd.Checks = append(dcd.Checks, DomainCheck{})
return nil
})
scanResponse.MustHandleCharData(path+">cd>name", func(c *xx.Context) error {
checks := c.Value.(*response_).DomainCheckResponse.Checks
check := &checks[len(checks)-1]
check.Domain = string(c.CharData)
check.Available = c.AttrBool("", "avail")
return nil
})
scanResponse.MustHandleCharData(path+">cd>reason", func(c *xx.Context) error {
checks := c.Value.(*response_).DomainCheckResponse.Checks
check := &checks[len(checks)-1]
check.Reason = string(c.CharData)
return nil
})
// Scan charge-1.0 extension into Charges
path = "epp > response > extension > " + ExtCharge + " chkData"
scanResponse.MustHandleStartElement(path+">cd", func(c *xx.Context) error {
dcd := &c.Value.(*response_).DomainCheckResponse
dcd.Charges = append(dcd.Charges, DomainCharge{})
return nil
})
scanResponse.MustHandleCharData(path+">cd>name", func(c *xx.Context) error {
charges := c.Value.(*response_).DomainCheckResponse.Charges
charge := &charges[len(charges)-1]
charge.Domain = string(c.CharData)
return nil
})
scanResponse.MustHandleCharData(path+">cd>set>category", func(c *xx.Context) error {
charges := c.Value.(*response_).DomainCheckResponse.Charges
charge := &charges[len(charges)-1]
charge.Category = string(c.CharData)
charge.CategoryName = c.Attr("", "name")
return nil
})
// Scan fee-0.5 extension into Charges
path = "epp > response > extension > " + ExtFee + " chkData"
scanResponse.MustHandleStartElement(path+">cd", func(c *xx.Context) error {
dcd := &c.Value.(*response_).DomainCheckResponse
dcd.Charges = append(dcd.Charges, DomainCharge{})
return nil
})
scanResponse.MustHandleCharData(path+">cd>name", func(c *xx.Context) error {
charges := c.Value.(*response_).DomainCheckResponse.Charges
charge := &charges[len(charges)-1]
charge.Domain = string(c.CharData)
if c.AttrBool("", "premium") {
charge.Category = "premium"
}
return nil
})
scanResponse.MustHandleCharData(path+">cd>class", func(c *xx.Context) error {
charges := c.Value.(*response_).DomainCheckResponse.Charges
charge := &charges[len(charges)-1]
charge.Category = string(c.CharData)
return nil
})
scanResponse.MustHandleCharData(path+">cd>fee", func(c *xx.Context) error {
charges := c.Value.(*response_).DomainCheckResponse.Charges
charge := &charges[len(charges)-1]
charge.CategoryName = c.Attr("", "description")
return nil
})
}