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package server
import (
"encoding/json"
"fmt"
"github.com/gorilla/mux"
"net/http"
"rss_parrot/dal"
"rss_parrot/dto"
"rss_parrot/logic"
"rss_parrot/shared"
)
// curl -X POST -H "X-API-KEY: 5QLbv8hrifgdXCEN" 'https://rss-parrot.zydeo.net/api/actions/vacuum'
// curl -X POST -H "X-API-KEY: 5QLbv8hrifgdXCEN" 'https://rss-parrot.zydeo.net/api/actions/pprof'
type apiHandlerGroup struct {
cfg *shared.Config
logger shared.ILogger
fdfol logic.IFeedFollower
repo dal.IRepo
prof logic.IProfiler
}
func NewApiHandlerGroup(
cfg *shared.Config,
logger shared.ILogger,
fdfol logic.IFeedFollower,
repo dal.IRepo,
prof logic.IProfiler,
) IHandlerGroup {
res := apiHandlerGroup{
cfg: cfg,
logger: logger,
fdfol: fdfol,
repo: repo,
prof: prof,
}
return &res
}
func (hg *apiHandlerGroup) Prefix() string {
return "/api"
}
func (hg *apiHandlerGroup) GroupDefs() []handlerDef {
return []handlerDef{
{"POST", "/feeds", func(w http.ResponseWriter, r *http.Request) { hg.postFeeds(w, r) }},
{"DELETE", "/accounts/{account}", func(w http.ResponseWriter, r *http.Request) { hg.deleteAccount(w, r) }},
{"POST", "/actions/vacuum", func(w http.ResponseWriter, r *http.Request) { hg.postActionsVacuum(w, r) }},
}
}
func (hg *apiHandlerGroup) AuthMW() func(next http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return hg.authMW(next)
}
}
func (hg *apiHandlerGroup) authMW(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PATCH, PUT, DELETE, OPTIONS")
w.Header().Set("Access-Control-Allow-Headers", "*")
if r.Method == "OPTIONS" {
return
}
var apiKey = r.Header.Get(apiKeyHeader)
found := false
for _, key := range hg.cfg.Secrets.ApiKeys {
if apiKey == key {
found = true
}
}
if !found {
keyPart := apiKey
if len(apiKey) > 4 {
keyPart = apiKey[:4] + "..."
}
hg.logger.Warnf("API request with missing or invalid key '%s': %s", keyPart, r.URL.Path)
writeErrorResponse(w, badApiKeyStr, http.StatusUnauthorized)
return
}
next.ServeHTTP(w, r)
})
}
func (hg *apiHandlerGroup) deleteAccount(w http.ResponseWriter, r *http.Request) {
var err error
hg.logger.Infof("Handling %s %s", r.Method, r.URL.Path)
accountName := mux.Vars(r)["account"]
if accountName == "" {
msg := "Missing account parameter"
hg.logger.Info(msg)
writeErrorResponse(w, msg, http.StatusBadRequest)
}
var acct *dal.Account
acct, err = hg.repo.GetAccount(accountName)
if err != nil {
msg := fmt.Sprintf("Failed to get account: %v", err)
hg.logger.Error(msg)
writeErrorResponse(w, msg, http.StatusInternalServerError)
return
}
if acct == nil {
msg := fmt.Sprintf("Account not found: %s", accountName)
writeErrorResponse(w, msg, http.StatusNotFound)
return
}
err = hg.repo.BruteDeleteAccount(acct.Id)
if err != nil {
msg := fmt.Sprintf("Failed to brute-delete account: %v", err)
hg.logger.Error(msg)
writeErrorResponse(w, msg, http.StatusInternalServerError)
return
}
writeJsonResponse(hg.logger, w, rtPlainJson, "OK")
}
func (hg *apiHandlerGroup) postActionsVacuum(w http.ResponseWriter, r *http.Request) {
hg.logger.Infof("Handling %s %s", r.Method, r.URL.Path)
go func() {
if err := hg.repo.Vacuum(); err != nil {
msg := fmt.Sprintf("Error vacuuming DB: %v", err)
hg.logger.Error(msg)
writeErrorResponse(w, msg, http.StatusBadRequest)
return
}
hg.logger.Info("Finished vacuuming successfully")
}()
writeJsonResponse(hg.logger, w, rtPlainJson, "OK")
}
func (hg *apiHandlerGroup) postFeeds(w http.ResponseWriter, r *http.Request) {
var err error
hg.logger.Infof("Handling %s %s", r.Method, r.URL.Path)
// Read and parse body
bodyBytes := readBody(hg.logger, w, r)
if bodyBytes == nil {
hg.logger.Info("Empty request body")
writeErrorResponse(w, "Request body must not be empty", http.StatusBadRequest)
return
}
var feed dto.Feed
if err = json.Unmarshal(bodyBytes, &feed); err != nil {
msg := fmt.Sprintf("Invalid JSON in request body: %v", err)
hg.logger.Info(msg)
writeErrorResponse(w, msg, http.StatusBadRequest)
return
}
acct, status, feedErr := hg.fdfol.GetAccountForFeed(feed.SiteUrl)
if feedErr != nil {
msg := fmt.Sprintf("Failed to get feed: %v", feedErr)
writeErrorResponse(w, msg, http.StatusInternalServerError)
return
}
if status < 0 {
msg := fmt.Sprintf("Feed is banned: %d", status)
writeErrorResponse(w, msg, http.StatusInternalServerError)
return
}
res := dto.Feed{
CreatedAt: acct.CreatedAt,
UserUrl: acct.UserUrl,
Handle: acct.Handle,
FeedName: acct.FeedName,
FeedSummary: acct.FeedSummary,
ProfileImageUrl: acct.ProfileImageUrl,
SiteUrl: acct.SiteUrl,
FeedUrl: acct.FeedUrl,
FeedLastUpdated: acct.FeedLastUpdated,
NextCheckDue: acct.NextCheckDue,
}
if status == logic.FsNew {
w.WriteHeader(http.StatusCreated)
} else {
w.WriteHeader(http.StatusOK)
}
writeJsonResponse(hg.logger, w, rtPlainJson, res)
}
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