158 lines
3.5 KiB
Go
158 lines
3.5 KiB
Go
package webserver
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import (
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"bytes"
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"strings"
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"time"
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"encoding/json"
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"net/http"
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"text/template"
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"istheinternetonfire.app/assets"
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"istheinternetonfire.app/internal/cisa"
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"istheinternetonfire.app/internal/config"
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)
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const (
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ERR_PARSE_TEMPLATE = "Template Parse Error"
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ERR_EXEC_TEMPLATE = "Template Execution Error"
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)
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type webErrStruct struct {
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Error bool `json:"error" yaml:"error"`
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ErrorMsg string `json:"error_message" yaml:"errorMessage"`
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}
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func tmpltError(w http.ResponseWriter, serverStatus int, message string) {
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var (
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output []byte
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o = webErrStruct{
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Error: true,
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ErrorMsg: message,
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}
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err error
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)
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w.Header().Add("Content-Type", "application/json")
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output, err = json.MarshalIndent(o, "", " ")
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if err != nil {
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config.Cfg.Log.Warn("marshal error", "error", err)
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w.WriteHeader(serverStatus)
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w.Write(output) //nolint:errcheck
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}
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}
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func tmpltWebRoot(w http.ResponseWriter, r *http.Request) {
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tmplt, err := template.New("index.tplt").Funcs(template.FuncMap{
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"ToUpper": strings.ToUpper,
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}).ParseFS(
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assets.EmbedHTML,
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"html/index.tplt",
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"html/css/style.css",
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)
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if err != nil {
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config.Cfg.Log.Debug(ERR_PARSE_TEMPLATE, "error", err)
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tmpltError(w, http.StatusInternalServerError, ERR_PARSE_TEMPLATE)
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return
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}
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var (
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msgBuffer bytes.Buffer
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cves []cisa.VulStruct
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num int = 3
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)
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c := cisa.Read()
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for _, i := range c.Vulnerabilities {
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t, _ := time.Parse("2006-01-02", i.DateAdded)
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if t.After(time.Now().Add(-time.Hour * 720)) {
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cves = append(cves, i)
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}
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}
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if len(cves) < 3 {
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num = len(cves)
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}
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if err := tmplt.Execute(&msgBuffer, struct {
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CVEs []cisa.VulStruct
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}{
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CVEs: cves[len(cves)-num:],
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}); err != nil {
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config.Cfg.Log.Debug(ERR_EXEC_TEMPLATE, "error", err)
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tmpltError(w, http.StatusInternalServerError, ERR_PARSE_TEMPLATE)
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return
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}
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w.Write(msgBuffer.Bytes()) //nolint:errcheck
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}
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func tmpltStatusNotFound(w http.ResponseWriter, path string) {
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tmplt, err := template.ParseFS(assets.EmbedHTML, "html/file-not-found.tplt")
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if err != nil {
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config.Cfg.Log.Debug(ERR_PARSE_TEMPLATE, "error", err)
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tmpltError(w, http.StatusInternalServerError, ERR_PARSE_TEMPLATE)
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return
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}
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var msgBuffer bytes.Buffer
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if err := tmplt.Execute(&msgBuffer, struct {
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Title string
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ErrorCode int
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}{
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Title: path,
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ErrorCode: http.StatusNotFound,
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}); err != nil {
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config.Cfg.Log.Debug(ERR_EXEC_TEMPLATE, "error", err)
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tmpltError(w, http.StatusInternalServerError, ERR_PARSE_TEMPLATE)
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return
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}
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w.Write(msgBuffer.Bytes()) //nolint:errcheck
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}
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func tmpltTXT(w http.ResponseWriter) {
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tmplt, err := template.New("site.txt.tplt").Funcs(template.FuncMap{
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"ToUpper": strings.ToUpper,
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}).ParseFS(
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assets.EmbedHTML,
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"html/site.txt.tplt",
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)
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if err != nil {
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config.Cfg.Log.Debug(ERR_PARSE_TEMPLATE, "error", err)
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tmpltError(w, http.StatusInternalServerError, ERR_PARSE_TEMPLATE)
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return
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}
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var (
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msgBuffer bytes.Buffer
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cves []cisa.VulStruct
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num int = 3
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)
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c := cisa.Read()
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for _, i := range c.Vulnerabilities {
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t, _ := time.Parse("2006-01-02", i.DateAdded)
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if t.After(time.Now().Add(-time.Hour * 720)) {
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cves = append(cves, i)
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}
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}
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if len(cves) < 3 {
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num = len(cves)
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}
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if err := tmplt.Execute(&msgBuffer, struct {
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CVEs []cisa.VulStruct
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}{
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CVEs: cves[len(cves)-num:],
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}); err != nil {
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config.Cfg.Log.Debug(ERR_EXEC_TEMPLATE, "error", err)
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tmpltError(w, http.StatusInternalServerError, ERR_PARSE_TEMPLATE)
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return
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}
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w.Header().Add("Content-Type", TYPE_TEXT_PLAIN)
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w.Write(msgBuffer.Bytes()) //nolint:errcheck
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}
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