fic/server
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backend: add an identifier to each treated file

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This commit is contained in:
nemunaire 2019-11-25 16:16:27 +01:00
parent 9693940d8c
commit 6ad11e49d5
5 changed files with 78 additions and 43 deletions
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27
backend/choices.go
View file

@ -1,9 +1,12 @@
package main package main
import ( import (
"encoding/base64"
"encoding/binary"
"encoding/json" "encoding/json"
"io/ioutil" "io/ioutil"
"log" "log"
"math/rand"
"os" "os"
"srs.epita.fr/fic-server/libfic" "srs.epita.fr/fic-server/libfic"
@ -14,29 +17,35 @@ type wantChoices struct {
} }
func treatWantChoices(pathname string, team fic.Team) { func treatWantChoices(pathname string, team fic.Team) {
// Generate a unique identifier to follow the request in logs
bid := make([]byte, 5)
binary.LittleEndian.PutUint32(bid, rand.Uint32())
id := "[" + base64.StdEncoding.EncodeToString(bid) + "]"
log.Println(id, "New wantChoices receive", pathname)
var ask wantChoices var ask wantChoices
if cnt_raw, err := ioutil.ReadFile(pathname); err != nil { if cnt_raw, err := ioutil.ReadFile(pathname); err != nil {
log.Println("[ERR]", err) log.Printf("%s [ERR] %s\n", id, err)
} else if err = json.Unmarshal(cnt_raw, &ask); err != nil { } else if err = json.Unmarshal(cnt_raw, &ask); err != nil {
log.Println("[ERR]", err) log.Printf("%s [ERR] %s\n", id, err)
} else if ask.FlagId == 0 { } else if ask.FlagId == 0 {
log.Println("[WRN] Invalid content in wantChoices file: ", pathname) log.Printf("%s [WRN] Invalid content in wantChoices file: %s\n", id, pathname)
os.Remove(pathname) os.Remove(pathname)
} else if flag, err := fic.GetFlagKey(ask.FlagId); err != nil { } else if flag, err := fic.GetFlagKey(ask.FlagId); err != nil {
log.Println("[ERR]", err) log.Printf("%s [ERR] %s\n", id, err)
} else if !team.CanSeeFlag(flag) { } else if !team.CanSeeFlag(flag) {
log.Println("[!!!] The team asks to display choices whereas it doesn't have access to the flag") log.Printf("%s [!!!] The team asks to display choices whereas it doesn't have access to the flag\n", id)
} else if exercice, err := flag.GetExercice(); err != nil { } else if exercice, err := flag.GetExercice(); err != nil {
log.Println("[ERR] Unable to retrieve the flag's underlying exercice:", err) log.Printf("%s [ERR] Unable to retrieve the flag's underlying exercice: %s\n", id, err)
} else if !team.HasAccess(exercice) { } else if !team.HasAccess(exercice) {
log.Println("[!!!] The team asks to display choices whereas it doesn't have access to the exercice") log.Printf("%s [!!!] The team asks to display choices whereas it doesn't have access to the exercice\n", id)
} else if err = team.DisplayChoices(flag); err != nil { } else if err = team.DisplayChoices(flag); err != nil {
log.Println("[ERR]", err) log.Printf("%s [ERR] %s\n", id, err)
} else { } else {
genTeamQueue <- &team genTeamQueue <- &team
if err = os.Remove(pathname); err != nil { if err = os.Remove(pathname); err != nil {
log.Println("[ERR]", err) log.Printf("%s [ERR] %s\n", id, err)
} }
} }
} }

31
backend/hint.go
View file

@ -1,10 +1,13 @@
package main package main
import ( import (
"encoding/base64"
"encoding/binary"
"encoding/json" "encoding/json"
"fmt" "fmt"
"io/ioutil" "io/ioutil"
"log" "log"
"math/rand"
"os" "os"
"srs.epita.fr/fic-server/libfic" "srs.epita.fr/fic-server/libfic"
@ -15,37 +18,43 @@ type askOpenHint struct {
} }
func treatOpeningHint(pathname string, team fic.Team) { func treatOpeningHint(pathname string, team fic.Team) {
// Generate a unique identifier to follow the request in logs
bid := make([]byte, 5)
binary.LittleEndian.PutUint32(bid, rand.Uint32())
id := "[" + base64.StdEncoding.EncodeToString(bid) + "]"
log.Println(id, "New openingHint receive", pathname)
var ask askOpenHint var ask askOpenHint
if cnt_raw, err := ioutil.ReadFile(pathname); err != nil { if cnt_raw, err := ioutil.ReadFile(pathname); err != nil {
log.Println("[ERR]", err) log.Printf("%s [ERR] %s\n", id, err)
} else if err = json.Unmarshal(cnt_raw, &ask); err != nil { } else if err = json.Unmarshal(cnt_raw, &ask); err != nil {
log.Println("[ERR]", err) log.Printf("%s [ERR] %s\n", id, err)
} else if ask.HintId == 0 { } else if ask.HintId == 0 {
log.Println("[WRN] Invalid content in hint file: ", pathname) log.Printf("%s [WRN] Invalid content in hint file: %s\n", id, pathname)
os.Remove(pathname) os.Remove(pathname)
} else if hint, err := fic.GetHint(ask.HintId); err != nil { } else if hint, err := fic.GetHint(ask.HintId); err != nil {
log.Println("[ERR] Unable to retrieve the given hint:", err) log.Printf("%s [ERR] Unable to retrieve the given hint: %s\n", id, err)
} else if exercice, err := hint.GetExercice(); err != nil { } else if exercice, err := hint.GetExercice(); err != nil {
log.Println("[ERR] Unable to retrieve the hint's underlying exercice:", err) log.Printf("%s [ERR] Unable to retrieve the hint's underlying exercice: %s\n", id, err)
} else if !team.HasAccess(exercice) { } else if !team.HasAccess(exercice) {
log.Println("[!!!] The team asks to open an hint whereas it doesn't have access to the exercice") log.Printf("%s [!!!] The team asks to open an hint whereas it doesn't have access to the exercice\n", id)
} else if err = team.OpenHint(hint); err != nil { } else if err = team.OpenHint(hint); err != nil {
log.Println("[ERR] Unable to open hint", err) log.Printf("%s [ERR] Unable to open hint: %s\n", id, err)
} else { } else {
// Write event // Write event
if lvl, err := exercice.GetLevel(); err != nil { if lvl, err := exercice.GetLevel(); err != nil {
log.Println("[WRN]", err) log.Printf("%s [WRN] %s\n", id, err)
} else if theme, err := fic.GetTheme(exercice.IdTheme); err != nil { } else if theme, err := fic.GetTheme(exercice.IdTheme); err != nil {
log.Println("[WRN]", err) log.Printf("%s [WRN] %s\n", id, err)
} else if _, err = fic.NewEvent(fmt.Sprintf("L'équipe %s a dévoilé un indice pour le <strong>%d<sup>e</sup></strong> défi %s&#160;!", team.Name, lvl, theme.Name), "info"); err != nil { } else if _, err = fic.NewEvent(fmt.Sprintf("L'équipe %s a dévoilé un indice pour le <strong>%d<sup>e</sup></strong> défi %s&#160;!", team.Name, lvl, theme.Name), "info"); err != nil {
log.Println("[WRN] Unable to create event:", err) log.Printf("%s [WRN] Unable to create event: %s\n", id, err)
} }
genTeamQueue <- &team genTeamQueue <- &team
appendGenQueue(genStruct{Type: GenEvents}) appendGenQueue(genStruct{Type: GenEvents})
if err = os.Remove(pathname); err != nil { if err = os.Remove(pathname); err != nil {
log.Println("[ERR]", err) log.Printf("%s [ERR] %s\n", id, err)
} }
} }
} }

6
backend/main.go
View file

@ -169,17 +169,17 @@ func treat(raw_path string) {
if teamid, err = strconv.ParseInt(spath[1], 10, 64); err != nil { if teamid, err = strconv.ParseInt(spath[1], 10, 64); err != nil {
if lnk, err := os.Readlink(path.Join(TeamsDir, spath[1])); err != nil { if lnk, err := os.Readlink(path.Join(TeamsDir, spath[1])); err != nil {
log.Println("[ERR]", err) log.Printf("[ERR] Unable to readlink %q: %s\n", path.Join(TeamsDir, spath[1]), err)
return return
} else if teamid, err = strconv.ParseInt(lnk, 10, 64); err != nil { } else if teamid, err = strconv.ParseInt(lnk, 10, 64); err != nil {
log.Println("[ERR]", err) log.Printf("[ERR] Error during ParseInt team %q: %s\n", lnk, err)
return return
} }
} }
var team fic.Team var team fic.Team
if team, err = fic.GetTeam(teamid); err != nil { if team, err = fic.GetTeam(teamid); err != nil {
log.Println("[ERR]", err) log.Printf("[ERR] Unable to retrieve team %d: %s\n", teamid, err)
return return
} }

38
backend/registration.go
View file

@ -1,6 +1,8 @@
package main package main
import ( import (
"encoding/base64"
"encoding/binary"
"encoding/json" "encoding/json"
"fmt" "fmt"
"io/ioutil" "io/ioutil"
@ -23,7 +25,7 @@ type uTeamRegistration struct {
Members []fic.Member Members []fic.Member
} }
func registrationProcess(team fic.Team, members []fic.Member, team_id string) { func registrationProcess(id string, team fic.Team, members []fic.Member, team_id string) {
for _, m := range members { for _, m := range members {
// Force Id to 0, as it shouldn't have been defined yet // Force Id to 0, as it shouldn't have been defined yet
m.Id = 0 m.Id = 0
@ -36,10 +38,10 @@ func registrationProcess(team fic.Team, members []fic.Member, team_id string) {
// Create team directories into TEAMS // Create team directories into TEAMS
if err := os.MkdirAll(path.Join(TeamsDir, teamDirPath), 0777); err != nil { if err := os.MkdirAll(path.Join(TeamsDir, teamDirPath), 0777); err != nil {
log.Println("[ERR]", err) log.Println(id, "[ERR]", err)
} }
if err := os.Symlink(teamDirPath, path.Join(TeamsDir, team_id)); err != nil { if err := os.Symlink(teamDirPath, path.Join(TeamsDir, team_id)); err != nil {
log.Println("[ERR]", err) log.Println(id, "[ERR]", err)
} }
genTeamQueue <- &team genTeamQueue <- &team
@ -47,39 +49,45 @@ func registrationProcess(team fic.Team, members []fic.Member, team_id string) {
} }
func treatRegistration(pathname string, team_id string) { func treatRegistration(pathname string, team_id string) {
// Generate a unique identifier to follow the request in logs
bid := make([]byte, 5)
binary.LittleEndian.PutUint32(bid, rand.Uint32())
id := "[" + base64.StdEncoding.EncodeToString(bid) + "]"
log.Println(id, "New registration receive", pathname)
var nTeam uTeamRegistration var nTeam uTeamRegistration
if !allowRegistration { if !allowRegistration {
log.Println("[ERR] Registration received, whereas disabled. Skipped.") log.Printf("%s [ERR] Registration received, whereas disabled. Skipped.\n", id)
} else if cnt_raw, err := ioutil.ReadFile(pathname); err != nil { } else if cnt_raw, err := ioutil.ReadFile(pathname); err != nil {
log.Println("[ERR]", err) log.Printf("%s [ERR] %s\n", id, err)
} else if err := json.Unmarshal(cnt_raw, &nTeam); err != nil { } else if err := json.Unmarshal(cnt_raw, &nTeam); err != nil {
log.Println("[ERR]", err) log.Printf("%s [ERR] %s\n", id, err)
} else if nTeam.JTeam > 0 { } else if nTeam.JTeam > 0 {
if !canJoinTeam { if !canJoinTeam {
log.Println("[ERR] Join team received, whereas disabled. Skipped.") log.Printf("%s [ERR] Join team received, whereas disabled. Skipped.\n", id)
} else if len(nTeam.Members) != 1 { } else if len(nTeam.Members) != 1 {
log.Printf("[ERR] Join team received, with incorrect member length: %d. Skipped.\n", len(nTeam.Members)) log.Printf("%s [ERR] Join team received, with incorrect member length: %d. Skipped.\n", id, len(nTeam.Members))
} else if team, err := fic.GetTeam(nTeam.JTeam); err != nil { } else if team, err := fic.GetTeam(nTeam.JTeam); err != nil {
log.Printf("[ERR] Unable to join registered team %s: %s\n", nTeam.JTeam, err) log.Printf("%s [ERR] Unable to join registered team %d: %s\n", id, nTeam.JTeam, err)
} else { } else {
registrationProcess(team, nTeam.Members, team_id) registrationProcess(id, team, nTeam.Members, team_id)
if err := os.Remove(pathname); err != nil { if err := os.Remove(pathname); err != nil {
log.Println("[WRN]", err) log.Printf("%s [WRN] %s\n", id, err)
} }
} }
} else if validTeamName(nTeam.TeamName) { } else if validTeamName(nTeam.TeamName) {
if team, err := fic.CreateTeam(nTeam.TeamName, uint32(rand.Int31n(16581376))); err != nil { if team, err := fic.CreateTeam(nTeam.TeamName, uint32(rand.Int31n(16581376))); err != nil {
log.Printf("[ERR] Unable to register new team %s: %s\n", nTeam.TeamName, err) log.Printf("%s [ERR] Unable to register new team %s: %s\n", id, nTeam.TeamName, err)
} else { } else {
registrationProcess(team, nTeam.Members, team_id) registrationProcess(id, team, nTeam.Members, team_id)
if err := os.Remove(pathname); err != nil { if err := os.Remove(pathname); err != nil {
log.Println("[WRN]", err) log.Printf("%s [WRN] %s\n", id, err)
} }
if _, err := fic.NewEvent(fmt.Sprintf("Souhaitons bonne chance à l'équipe <strong>%s</strong> qui vient de nous rejoindre&#160;!", team.Name), "info"); err != nil { if _, err := fic.NewEvent(fmt.Sprintf("Souhaitons bonne chance à l'équipe <strong>%s</strong> qui vient de nous rejoindre&#160;!", team.Name), "info"); err != nil {
log.Println("[WRN] Unable to create event:", err) log.Printf("%s [WRN] Unable to create event: %s\n", id, err)
} }
appendGenQueue(genStruct{Type: GenEvents}) appendGenQueue(genStruct{Type: GenEvents})

19
backend/rename.go
View file

@ -1,10 +1,13 @@
package main package main
import ( import (
"encoding/base64"
"encoding/binary"
"encoding/json" "encoding/json"
"fmt" "fmt"
"io/ioutil" "io/ioutil"
"log" "log"
"math/rand"
"os" "os"
"regexp" "regexp"
@ -17,24 +20,30 @@ func validTeamName(name string) bool {
} }
func treatRename(pathname string, team fic.Team) { func treatRename(pathname string, team fic.Team) {
// Generate a unique identifier to follow the request in logs
bid := make([]byte, 5)
binary.LittleEndian.PutUint32(bid, rand.Uint32())
id := "[" + base64.StdEncoding.EncodeToString(bid) + "]"
log.Println(id, "New renameTeam receive", pathname)
var keys map[string]string var keys map[string]string
if cnt_raw, err := ioutil.ReadFile(pathname); err != nil { if cnt_raw, err := ioutil.ReadFile(pathname); err != nil {
log.Println("[ERR]", err) log.Printf("%s [ERR] %s\n", id, err)
} else if err := json.Unmarshal(cnt_raw, &keys); err != nil { } else if err := json.Unmarshal(cnt_raw, &keys); err != nil {
log.Println("[ERR]", err) log.Printf("%s [ERR] %s\n", id, err)
} else if validTeamName(keys["newName"]) { } else if validTeamName(keys["newName"]) {
team.Name = keys["newName"] team.Name = keys["newName"]
if _, err := team.Update(); err != nil { if _, err := team.Update(); err != nil {
log.Println("[WRN] Unable to change team name:", err) log.Printf("%s [WRN] Unable to change team name: %s\n", id, err)
} }
genTeamQueue <- &team genTeamQueue <- &team
if _, err := fic.NewEvent(fmt.Sprintf("Souhaitons bonne chance à l'équipe <strong>%s</strong> qui vient de nous rejoindre&#160;!", team.Name), "info"); err != nil { if _, err := fic.NewEvent(fmt.Sprintf("Souhaitons bonne chance à l'équipe <strong>%s</strong> qui vient de nous rejoindre&#160;!", team.Name), "info"); err != nil {
log.Println("[WRN] Unable to create event:", err) log.Printf("%s [WRN] Unable to create event: %s\n", id, err)
} }
appendGenQueue(genStruct{Type: GenEvents}) appendGenQueue(genStruct{Type: GenEvents})
if err := os.Remove(pathname); err != nil { if err := os.Remove(pathname); err != nil {
log.Println("[ERR]", err) log.Printf("%s [ERR] %s\n", id, err)
} }
} }
} }