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hatecomputers.club
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abstract dns adapter

This commit is contained in:
Elizabeth 2024-04-03 14:27:55 -06:00
parent c32ca84e8a
commit cc33a90bfd
Signed by: simponic
GPG Key ID: 2909B9A7FF6213EE
4 changed files with 129 additions and 107 deletions
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17
adapters/cloudflare/cloudflare.go
View File

@ -14,15 +14,20 @@ type CloudflareDNSResponse struct {
Result database.DNSRecord `json:"result"`
}
func CreateDNSRecord(zoneId string, apiToken string, record *database.DNSRecord) (string, error) {
url := fmt.Sprintf("https://api.cloudflare.com/client/v4/zones/%s/dns_records", zoneId)
type CloudflareExternalDNSAdapter struct {
ZoneId string
APIToken string
}
func (adapter *CloudflareExternalDNSAdapter) CreateDNSRecord(record *database.DNSRecord) (string, error) {
url := fmt.Sprintf("https://api.cloudflare.com/client/v4/zones/%s/dns_records", adapter.ZoneId)
reqBody := fmt.Sprintf(`{"type":"%s","name":"%s","content":"%s","ttl":%d,"proxied":false}`, record.Type, record.Name, record.Content, record.TTL)
payload := strings.NewReader(reqBody)
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer "+apiToken)
req.Header.Add("Authorization", "Bearer "+adapter.APIToken)
req.Header.Add("Content-Type", "application/json")
res, err := http.DefaultClient.Do(req)
@ -48,12 +53,12 @@ func CreateDNSRecord(zoneId string, apiToken string, record *database.DNSRecord)
return result.ID, nil
}
func DeleteDNSRecord(zoneId string, apiToken string, id string) error {
url := fmt.Sprintf("https://api.cloudflare.com/client/v4/zones/%s/dns_records/%s", zoneId, id)
func (adapter *CloudflareExternalDNSAdapter) DeleteDNSRecord(id string) error {
url := fmt.Sprintf("https://api.cloudflare.com/client/v4/zones/%s/dns_records/%s", adapter.ZoneId, id)
req, _ := http.NewRequest("DELETE", url, nil)
req.Header.Add("Authorization", "Bearer "+apiToken)
req.Header.Add("Authorization", "Bearer "+adapter.APIToken)
res, err := http.DefaultClient.Do(req)
if err != nil {

8
adapters/external_dns.go Normal file
View File

@ -0,0 +1,8 @@
package external_dns
import "git.hatecomputers.club/hatecomputers/hatecomputers.club/database"
type ExternalDNSAdapter interface {
CreateDNSRecord(record *database.DNSRecord) (string, error)
DeleteDNSRecord(id string) error
}

17
api/dns.go
View File

@ -8,7 +8,7 @@ import (
"strconv"
"strings"
"git.hatecomputers.club/hatecomputers/hatecomputers.club/adapters/cloudflare"
"git.hatecomputers.club/hatecomputers/hatecomputers.club/adapters"
"git.hatecomputers.club/hatecomputers/hatecomputers.club/database"
"git.hatecomputers.club/hatecomputers/hatecomputers.club/utils"
)
@ -64,7 +64,8 @@ func ListDNSRecordsContinuation(context *RequestContext, req *http.Request, resp
}
}
func CreateDNSRecordContinuation(context *RequestContext, req *http.Request, resp http.ResponseWriter) ContinuationChain {
func CreateDNSRecordContinuation(dnsAdapter external_dns.ExternalDNSAdapter) func(context *RequestContext, req *http.Request, resp http.ResponseWriter) ContinuationChain {
return func(context *RequestContext, req *http.Request, resp http.ResponseWriter) ContinuationChain {
return func(success Continuation, failure Continuation) ContinuationChain {
formErrors := FormError{
Errors: []string{},
@ -104,6 +105,7 @@ func CreateDNSRecordContinuation(context *RequestContext, req *http.Request, res
TTL: ttlNum,
Internal: internal,
}
if !userCanFuckWithDNSRecord(context.DBConn, context.User, dnsRecord) {
formErrors.Errors = append(formErrors.Errors, "'name' must end with "+context.User.Username+" or you must be a domain owner for internal domains")
}
@ -112,13 +114,11 @@ func CreateDNSRecordContinuation(context *RequestContext, req *http.Request, res
if dnsRecord.Internal {
dnsRecord.ID = utils.RandomId()
} else {
cloudflareRecordId, err := cloudflare.CreateDNSRecord(context.Args.CloudflareZone, context.Args.CloudflareToken, dnsRecord)
dnsRecord.ID, err = dnsAdapter.CreateDNSRecord(dnsRecord)
if err != nil {
log.Println(err)
formErrors.Errors = append(formErrors.Errors, err.Error())
}
dnsRecord.ID = cloudflareRecordId
}
}
@ -142,8 +142,10 @@ func CreateDNSRecordContinuation(context *RequestContext, req *http.Request, res
return failure(context, req, resp)
}
}
}
func DeleteDNSRecordContinuation(context *RequestContext, req *http.Request, resp http.ResponseWriter) ContinuationChain {
func DeleteDNSRecordContinuation(dnsAdapter external_dns.ExternalDNSAdapter) func(context *RequestContext, req *http.Request, resp http.ResponseWriter) ContinuationChain {
return func(context *RequestContext, req *http.Request, resp http.ResponseWriter) ContinuationChain {
return func(success Continuation, failure Continuation) ContinuationChain {
recordId := req.FormValue("id")
record, err := database.GetDNSRecord(context.DBConn, recordId)
@ -159,7 +161,7 @@ func DeleteDNSRecordContinuation(context *RequestContext, req *http.Request, res
}
if !record.Internal {
err = cloudflare.DeleteDNSRecord(context.Args.CloudflareZone, context.Args.CloudflareToken, recordId)
err = dnsAdapter.DeleteDNSRecord(recordId)
if err != nil {
log.Println(err)
resp.WriteHeader(http.StatusInternalServerError)
@ -177,3 +179,4 @@ func DeleteDNSRecordContinuation(context *RequestContext, req *http.Request, res
return success(context, req, resp)
}
}
}

10
api/serve.go
View File

@ -7,6 +7,7 @@ import (
"net/http"
"time"
"git.hatecomputers.club/hatecomputers/hatecomputers.club/adapters/cloudflare"
"git.hatecomputers.club/hatecomputers/hatecomputers.club/args"
"git.hatecomputers.club/hatecomputers/hatecomputers.club/database"
"git.hatecomputers.club/hatecomputers/hatecomputers.club/utils"
@ -80,6 +81,11 @@ func MakeServer(argv *args.Arguments, dbConn *sql.DB) *http.Server {
fileServer := http.FileServer(http.Dir(argv.StaticPath))
mux.Handle("GET /static/", http.StripPrefix("/static/", CacheControlMiddleware(fileServer, 3600)))
cloudflareAdapter := &cloudflare.CloudflareExternalDNSAdapter{
APIToken: argv.CloudflareToken,
ZoneId: argv.CloudflareZone,
}
makeRequestContext := func() *RequestContext {
return &RequestContext{
DBConn: dbConn,
@ -126,12 +132,12 @@ func MakeServer(argv *args.Arguments, dbConn *sql.DB) *http.Server {
mux.HandleFunc("POST /dns", func(w http.ResponseWriter, r *http.Request) {
requestContext := makeRequestContext()
LogRequestContinuation(requestContext, r, w)(VerifySessionContinuation, FailurePassingContinuation)(ListDNSRecordsContinuation, GoLoginContinuation)(CreateDNSRecordContinuation, FailurePassingContinuation)(TemplateContinuation("dns.html", true), TemplateContinuation("dns.html", true))(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
LogRequestContinuation(requestContext, r, w)(VerifySessionContinuation, FailurePassingContinuation)(ListDNSRecordsContinuation, GoLoginContinuation)(CreateDNSRecordContinuation(cloudflareAdapter), FailurePassingContinuation)(TemplateContinuation("dns.html", true), TemplateContinuation("dns.html", true))(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
})
mux.HandleFunc("POST /dns/delete", func(w http.ResponseWriter, r *http.Request) {
requestContext := makeRequestContext()
LogRequestContinuation(requestContext, r, w)(VerifySessionContinuation, FailurePassingContinuation)(DeleteDNSRecordContinuation, GoLoginContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
LogRequestContinuation(requestContext, r, w)(VerifySessionContinuation, FailurePassingContinuation)(DeleteDNSRecordContinuation(cloudflareAdapter), GoLoginContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
})
mux.HandleFunc("GET /keys", func(w http.ResponseWriter, r *http.Request) {