265 lines
8.1 KiB
Go
265 lines
8.1 KiB
Go
// Copyright or © or Copr. happyDNS (2021)
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//
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// contact@happydns.org
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//
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// This software is a computer program whose purpose is to provide a modern
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// interface to interact with DNS systems.
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//
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// This software is governed by the CeCILL license under French law and abiding
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// by the rules of distribution of free software. You can use, modify and/or
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// redistribute the software under the terms of the CeCILL license as
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// circulated by CEA, CNRS and INRIA at the following URL
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// "http://www.cecill.info".
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//
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// As a counterpart to the access to the source code and rights to copy, modify
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// and redistribute granted by the license, users are provided only with a
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// limited warranty and the software's author, the holder of the economic
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// rights, and the successive licensors have only limited liability.
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//
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// In this respect, the user's attention is drawn to the risks associated with
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// loading, using, modifying and/or developing or reproducing the software by
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// the user in light of its specific status of free software, that may mean
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// that it is complicated to manipulate, and that also therefore means that it
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// is reserved for developers and experienced professionals having in-depth
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// computer knowledge. Users are therefore encouraged to load and test the
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// software's suitability as regards their requirements in conditions enabling
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// the security of their systems and/or data to be ensured and, more generally,
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// to use and operate it in the same conditions as regards security.
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//
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// The fact that you are presently reading this means that you have had
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// knowledge of the CeCILL license and that you accept its terms.
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package api
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import (
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"fmt"
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"log"
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"net/http"
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"strconv"
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dnscontrol "github.com/StackExchange/dnscontrol/v3/providers"
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"github.com/gin-gonic/gin"
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"git.happydns.org/happydns/config"
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"git.happydns.org/happydns/model"
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"git.happydns.org/happydns/providers"
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"git.happydns.org/happydns/storage"
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)
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func declareProvidersRoutes(cfg *config.Options, router *gin.RouterGroup) {
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router.GET("/providers", getProviders)
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router.POST("/providers", addProvider)
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apiProvidersMetaRoutes := router.Group("/providers/:pid")
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apiProvidersMetaRoutes.Use(ProviderMetaHandler)
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apiProvidersMetaRoutes.DELETE("", deleteProvider)
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apiProviderRoutes := router.Group("/providers/:pid")
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apiProviderRoutes.Use(ProviderHandler)
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apiProviderRoutes.GET("", GetProvider)
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apiProviderRoutes.PUT("", UpdateProvider)
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apiProviderRoutes.GET("/domains", getDomainsHostedByProvider)
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}
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func getProviders(c *gin.Context) {
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user := c.MustGet("LoggedUser").(*happydns.User)
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if providers, err := storage.MainStore.GetProviderMetas(user); err != nil {
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c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": err.Error()})
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return
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} else if len(providers) > 0 {
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c.JSON(http.StatusOK, providers)
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} else {
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c.JSON(http.StatusOK, []happydns.Provider{})
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}
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}
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func DecodeProvider(c *gin.Context) (*happydns.ProviderCombined, int, error) {
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var ust happydns.ProviderMeta
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err := c.ShouldBindJSON(&ust)
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if err != nil {
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return nil, http.StatusBadRequest, err
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}
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us, err := providers.FindProvider(ust.Type)
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if err != nil {
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log.Printf("%s: unable to find provider %s: %w", c.ClientIP(), ust.Type, err)
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return nil, http.StatusInternalServerError, fmt.Errorf("Sorry, we were unable to find the kind of provider in our database. Please report this issue.")
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}
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src := &happydns.ProviderCombined{
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us,
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ust,
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}
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err = c.ShouldBindJSON(&src)
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if err != nil {
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return nil, http.StatusBadRequest, err
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}
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err = src.Validate()
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if err != nil {
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return nil, http.StatusBadRequest, err
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}
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return src, http.StatusOK, nil
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}
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func ProviderMetaHandler(c *gin.Context) {
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// Extract provider ID
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pid, err := strconv.ParseInt(string(c.Param("pid")), 10, 64)
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if err != nil {
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c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": fmt.Sprintf("Invalid provider id: %s", err.Error())})
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return
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}
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// Get a valid user
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user := myUser(c)
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if user == nil {
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"errmsg": "User not defined."})
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return
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}
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// Retrieve provider meta
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providermeta, err := storage.MainStore.GetProviderMeta(user, pid)
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if err != nil {
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c.AbortWithStatusJSON(http.StatusNotFound, gin.H{"errmsg": "Provider not found."})
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return
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}
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// Continue
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c.Set("providermeta", providermeta)
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c.Next()
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}
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func ProviderHandler(c *gin.Context) {
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// Extract provider ID
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pid, err := strconv.ParseInt(string(c.Param("pid")), 10, 64)
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if err != nil {
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c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": fmt.Sprintf("Invalid provider id: %w", err)})
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return
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}
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// Get a valid user
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user := myUser(c)
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if user == nil {
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"errmsg": "User not defined."})
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return
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}
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// Retrieve provider
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provider, err := storage.MainStore.GetProvider(user, pid)
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if err != nil {
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c.AbortWithStatusJSON(http.StatusNotFound, gin.H{"errmsg": "Provider not found."})
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return
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}
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// Continue
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c.Set("provider", provider)
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c.Set("providermeta", provider.ProviderMeta)
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c.Next()
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}
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func GetProvider(c *gin.Context) {
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provider := c.MustGet("provider").(*happydns.ProviderCombined)
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c.JSON(http.StatusOK, provider)
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}
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func addProvider(c *gin.Context) {
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user := c.MustGet("LoggedUser").(*happydns.User)
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src, statuscode, err := DecodeProvider(c)
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if err != nil {
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c.AbortWithStatusJSON(statuscode, gin.H{"errmsg": err.Error()})
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return
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}
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s, err := storage.MainStore.CreateProvider(user, src.Provider, src.Comment)
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if err != nil {
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log.Println("%s unable to CreateProvider: %w", c.ClientIP(), err)
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c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "Sorry, we are currently unable to create the given provider. Please try again later."})
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return
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}
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c.JSON(http.StatusOK, s)
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}
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func UpdateProvider(c *gin.Context) {
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provider := c.MustGet("provider").(*happydns.ProviderCombined)
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src, statuscode, err := DecodeProvider(c)
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if err != nil {
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c.AbortWithStatusJSON(statuscode, gin.H{"errmsg": err.Error()})
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return
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}
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src.Id = provider.Id
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src.OwnerId = provider.OwnerId
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if err := storage.MainStore.UpdateProvider(src); err != nil {
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log.Println("%s unable to UpdateProvider: %w", c.ClientIP(), err)
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c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "Sorry, we are currently unable to update the provider. Please try again later."})
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return
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}
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c.JSON(http.StatusOK, src)
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}
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func deleteProvider(c *gin.Context) {
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user := c.MustGet("LoggedUser").(*happydns.User)
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providermeta := c.MustGet("providermeta").(*happydns.ProviderMeta)
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// Check if the provider has no more domain associated
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domains, err := storage.MainStore.GetDomains(user)
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if err != nil {
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log.Println("%s unable to GetDomains for user id=%x email=%s: %w", c.ClientIP(), user.Id, user.Email, err)
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c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "Sorry, we are currently unable to perform this action. Please try again later."})
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return
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}
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for _, domain := range domains {
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if domain.IdProvider == providermeta.Id {
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c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": "You cannot delete this provider because there is still some domains associated with it."})
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return
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}
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}
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if err := storage.MainStore.DeleteProvider(providermeta); err != nil {
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log.Println("%s unable to DeleteProvider %x for user id=%x email=%s: %w", c.ClientIP(), providermeta.Id, user.Id, user.Email, err)
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c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "Sorry, we are currently unable to delete your provider. Please try again later."})
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return
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}
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c.JSON(http.StatusNoContent, nil)
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}
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func getDomainsHostedByProvider(c *gin.Context) {
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provider := c.MustGet("provider").(*happydns.ProviderCombined)
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p, err := provider.NewDNSServiceProvider()
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if err != nil {
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c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": fmt.Sprintf("Unable to instantiate the provider: %s", err.Error())})
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return
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}
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sr, ok := p.(dnscontrol.ZoneLister)
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if !ok {
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c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": "Provider doesn't support domain listing."})
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return
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}
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domains, err := sr.ListZones()
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if err != nil {
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c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": err.Error()})
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return
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}
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c.JSON(http.StatusOK, domains)
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}
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