feat: hashes in avatar file names (closes #19)

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Sam 2023-03-13 02:04:09 +01:00
parent e36bd247f5
commit 163e7c3fd6
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GPG Key ID: B4EF20DDE721CAA1
17 changed files with 133 additions and 77 deletions

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@ -3,7 +3,9 @@ package db
import (
"bytes"
"context"
"crypto/sha256"
"encoding/base64"
"encoding/hex"
"io"
"os/exec"
"strings"
@ -23,8 +25,8 @@ const ErrInvalidContentType = errors.Sentinel("invalid avatar content type")
// ConvertAvatar parses an avatar from a data URI, converts it to WebP and JPEG, and returns the results.
func (db *DB) ConvertAvatar(data string) (
webp io.Reader,
jpg io.Reader,
webp *bytes.Buffer,
jpg *bytes.Buffer,
err error,
) {
data = strings.TrimSpace(data)
@ -142,53 +144,59 @@ func (db *DB) ConvertAvatar(data string) (
}
func (db *DB) WriteUserAvatar(ctx context.Context,
userID xid.ID, webp io.Reader, jpeg io.Reader,
userID xid.ID, webp *bytes.Buffer, jpeg *bytes.Buffer,
) (
webpLocation string,
jpegLocation string,
err error,
hash string, err error,
) {
_, err = db.minio.PutObject(ctx, db.minioBucket, "/users/"+userID.String()+".webp", webp, -1, minio.PutObjectOptions{
hasher := sha256.New()
_, err = hasher.Write(webp.Bytes())
if err != nil {
return "", errors.Wrap(err, "hashing webp avatar")
}
hash = hex.EncodeToString(hasher.Sum(nil))
_, err = db.minio.PutObject(ctx, db.minioBucket, "/users/"+userID.String()+"/"+hash+".webp", webp, -1, minio.PutObjectOptions{
ContentType: "image/webp",
})
if err != nil {
return "", "", errors.Wrap(err, "uploading webp avatar")
return "", errors.Wrap(err, "uploading webp avatar")
}
_, err = db.minio.PutObject(ctx, db.minioBucket, "/users/"+userID.String()+".jpg", jpeg, -1, minio.PutObjectOptions{
_, err = db.minio.PutObject(ctx, db.minioBucket, "/users/"+userID.String()+"/"+hash+".jpg", jpeg, -1, minio.PutObjectOptions{
ContentType: "image/jpeg",
})
if err != nil {
return "", "", errors.Wrap(err, "uploading jpeg avatar")
return "", errors.Wrap(err, "uploading jpeg avatar")
}
return db.baseURL.JoinPath("/media/users/" + userID.String() + ".webp").String(),
db.baseURL.JoinPath("/media/users/" + userID.String() + ".jpg").String(),
nil
return hash, nil
}
func (db *DB) WriteMemberAvatar(ctx context.Context,
memberID xid.ID, webp io.Reader, jpeg io.Reader,
memberID xid.ID, webp *bytes.Buffer, jpeg *bytes.Buffer,
) (
webpLocation string,
jpegLocation string,
err error,
hash string, err error,
) {
_, err = db.minio.PutObject(ctx, db.minioBucket, "/members/"+memberID.String()+".webp", webp, -1, minio.PutObjectOptions{
hasher := sha256.New()
_, err = hasher.Write(webp.Bytes())
if err != nil {
return "", errors.Wrap(err, "hashing webp avatar")
}
hash = hex.EncodeToString(hasher.Sum(nil))
_, err = db.minio.PutObject(ctx, db.minioBucket, "/members/"+memberID.String()+"/"+hash+".webp", webp, -1, minio.PutObjectOptions{
ContentType: "image/webp",
})
if err != nil {
return "", "", errors.Wrap(err, "uploading webp avatar")
return "", errors.Wrap(err, "uploading webp avatar")
}
_, err = db.minio.PutObject(ctx, db.minioBucket, "/members/"+memberID.String()+".jpg", jpeg, -1, minio.PutObjectOptions{
_, err = db.minio.PutObject(ctx, db.minioBucket, "/members/"+memberID.String()+"/"+hash+".jpg", jpeg, -1, minio.PutObjectOptions{
ContentType: "image/jpeg",
})
if err != nil {
return "", "", errors.Wrap(err, "uploading jpeg avatar")
return "", errors.Wrap(err, "uploading jpeg avatar")
}
return db.baseURL.JoinPath("/media/members/" + memberID.String() + ".webp").String(),
db.baseURL.JoinPath("/media/members/" + memberID.String() + ".jpg").String(),
nil
return hash, nil
}

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@ -21,7 +21,7 @@ type Member struct {
Name string
DisplayName *string
Bio *string
AvatarURLs []string `db:"avatar_urls"`
Avatar *string
Links []string
Names []FieldEntry
Pronouns []PronounEntry
@ -61,7 +61,7 @@ func (db *DB) UserMember(ctx context.Context, userID xid.ID, memberRef string) (
// UserMembers returns all of a user's members, sorted by name.
func (db *DB) UserMembers(ctx context.Context, userID xid.ID) (ms []Member, err error) {
sql, args, err := sq.Select("id", "user_id", "name", "display_name", "bio", "avatar_urls", "names", "pronouns").
sql, args, err := sq.Select("id", "user_id", "name", "display_name", "bio", "avatar", "names", "pronouns").
From("members").Where("user_id = ?", userID).
OrderBy("name", "id").ToSql()
if err != nil {
@ -141,9 +141,9 @@ func (db *DB) UpdateMember(
tx pgx.Tx, id xid.ID,
name, displayName, bio *string,
links *[]string,
avatarURLs []string,
avatar *string,
) (m Member, err error) {
if name == nil && displayName == nil && bio == nil && links == nil && avatarURLs == nil {
if name == nil && displayName == nil && bio == nil && links == nil && avatar == nil {
// get member
sql, args, err := sq.Select("*").From("members").Where("id = ?", id).ToSql()
if err != nil {
@ -183,8 +183,12 @@ func (db *DB) UpdateMember(
builder = builder.Set("links", *links)
}
if avatarURLs != nil {
builder = builder.Set("avatar_urls", avatarURLs)
if avatar != nil {
if *avatar == "" {
builder = builder.Set("avatar", nil)
} else {
builder = builder.Set("avatar", avatar)
}
}
sql, args, err := builder.ToSql()

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@ -19,7 +19,7 @@ type User struct {
DisplayName *string
Bio *string
AvatarURLs []string `db:"avatar_urls"`
Avatar *string
Links []string
Names []FieldEntry
@ -208,9 +208,9 @@ func (db *DB) UpdateUser(
tx pgx.Tx, id xid.ID,
displayName, bio *string,
links *[]string,
avatarURLs []string,
avatar *string,
) (u User, err error) {
if displayName == nil && bio == nil && links == nil && avatarURLs == nil {
if displayName == nil && bio == nil && links == nil && avatar == nil {
sql, args, err := sq.Select("*").From("users").Where("id = ?", id).ToSql()
if err != nil {
return u, errors.Wrap(err, "building sql")
@ -243,8 +243,12 @@ func (db *DB) UpdateUser(
builder = builder.Set("links", *links)
}
if avatarURLs != nil {
builder = builder.Set("avatar_urls", avatarURLs)
if avatar != nil {
if *avatar == "" {
builder = builder.Set("avatar", nil)
} else {
builder = builder.Set("avatar", avatar)
}
}
sql, args, err := builder.ToSql()

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@ -24,7 +24,7 @@ type userResponse struct {
Username string `json:"name"`
DisplayName *string `json:"display_name"`
Bio *string `json:"bio"`
AvatarURLs []string `json:"avatar_urls"`
Avatar *string `json:"avatar"`
Links []string `json:"links"`
Names []db.FieldEntry `json:"names"`
Pronouns []db.PronounEntry `json:"pronouns"`
@ -40,7 +40,7 @@ func dbUserToUserResponse(u db.User, fields []db.Field) *userResponse {
Username: u.Username,
DisplayName: u.DisplayName,
Bio: u.Bio,
AvatarURLs: db.NotNull(u.AvatarURLs),
Avatar: u.Avatar,
Links: db.NotNull(u.Links),
Names: db.NotNull(u.Names),
Pronouns: db.NotNull(u.Pronouns),

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@ -23,6 +23,14 @@ type Bot struct {
baseURL string
}
func (bot *Bot) UserAvatarURL(u db.User) string {
if u.Avatar == nil {
return ""
}
return bot.baseURL + "/media/users/" + u.ID.String() + "/" + *u.Avatar + ".webp"
}
func Mount(srv *server.Server, r chi.Router) {
publicKey, err := hex.DecodeString(os.Getenv("DISCORD_PUBLIC_KEY"))
if err != nil {
@ -97,8 +105,8 @@ func (bot *Bot) userPronouns(w http.ResponseWriter, r *http.Request, ev *discord
}
avatarURL := du.AvatarURL("")
if len(u.AvatarURLs) > 0 {
avatarURL = u.AvatarURLs[0]
if url := bot.UserAvatarURL(u); url != "" {
avatarURL = url
}
name := u.Username
if u.DisplayName != nil {

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@ -125,13 +125,13 @@ func (s *Server) createMember(w http.ResponseWriter, r *http.Request) (err error
return err
}
webpURL, jpgURL, err := s.DB.WriteMemberAvatar(ctx, m.ID, webp, jpg)
hash, err := s.DB.WriteMemberAvatar(ctx, m.ID, webp, jpg)
if err != nil {
log.Errorf("uploading member avatar: %v", err)
return err
}
err = tx.QueryRow(ctx, "UPDATE members SET avatar_urls = $1 WHERE id = $2", []string{webpURL, jpgURL}, m.ID).Scan(&m.AvatarURLs)
err = tx.QueryRow(ctx, "UPDATE members SET avatar = $1 WHERE id = $2", hash, m.ID).Scan(&m.Avatar)
if err != nil {
return errors.Wrap(err, "setting avatar urls in db")
}

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@ -16,7 +16,7 @@ type GetMemberResponse struct {
Name string `json:"name"`
DisplayName *string `json:"display_name"`
Bio *string `json:"bio"`
AvatarURLs []string `json:"avatar_urls"`
Avatar *string `json:"avatar"`
Links []string `json:"links"`
Names []db.FieldEntry `json:"names"`
@ -32,7 +32,7 @@ func dbMemberToMember(u db.User, m db.Member, fields []db.Field) GetMemberRespon
Name: m.Name,
DisplayName: m.DisplayName,
Bio: m.Bio,
AvatarURLs: db.NotNull(m.AvatarURLs),
Avatar: m.Avatar,
Links: db.NotNull(m.Links),
Names: db.NotNull(m.Names),
@ -43,7 +43,7 @@ func dbMemberToMember(u db.User, m db.Member, fields []db.Field) GetMemberRespon
ID: u.ID,
Username: u.Username,
DisplayName: u.DisplayName,
AvatarURLs: db.NotNull(u.AvatarURLs),
Avatar: u.Avatar,
},
}
}
@ -52,7 +52,7 @@ type PartialUser struct {
ID xid.ID `json:"id"`
Username string `json:"name"`
DisplayName *string `json:"display_name"`
AvatarURLs []string `json:"avatar_urls"`
Avatar *string `json:"avatar"`
}
func (s *Server) getMember(w http.ResponseWriter, r *http.Request) error {

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@ -15,7 +15,7 @@ type memberListResponse struct {
Name string `json:"name"`
DisplayName *string `json:"display_name"`
Bio *string `json:"bio"`
AvatarURLs []string `json:"avatar_urls"`
Avatar *string `json:"avatar"`
Links []string `json:"links"`
Names []db.FieldEntry `json:"names"`
Pronouns []db.PronounEntry `json:"pronouns"`
@ -28,7 +28,7 @@ func membersToMemberList(ms []db.Member) []memberListResponse {
ID: ms[i].ID,
Name: ms[i].Name,
Bio: ms[i].Bio,
AvatarURLs: db.NotNull(ms[i].AvatarURLs),
Avatar: ms[i].Avatar,
Links: db.NotNull(ms[i].Links),
Names: db.NotNull(ms[i].Names),
Pronouns: db.NotNull(ms[i].Pronouns),

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@ -127,7 +127,7 @@ func (s *Server) patchMember(w http.ResponseWriter, r *http.Request) error {
}
// update avatar
var avatarURLs []string = nil
var avatarHash *string = nil
if req.Avatar != nil {
webp, jpg, err := s.DB.ConvertAvatar(*req.Avatar)
if err != nil {
@ -147,12 +147,12 @@ func (s *Server) patchMember(w http.ResponseWriter, r *http.Request) error {
return err
}
webpURL, jpgURL, err := s.DB.WriteMemberAvatar(ctx, id, webp, jpg)
hash, err := s.DB.WriteMemberAvatar(ctx, id, webp, jpg)
if err != nil {
log.Errorf("uploading member avatar: %v", err)
return err
}
avatarURLs = []string{webpURL, jpgURL}
avatarHash = &hash
}
// start transaction
@ -163,7 +163,7 @@ func (s *Server) patchMember(w http.ResponseWriter, r *http.Request) error {
}
defer tx.Rollback(ctx)
m, err = s.DB.UpdateMember(ctx, tx, id, req.Name, req.DisplayName, req.Bio, req.Links, avatarURLs)
m, err = s.DB.UpdateMember(ctx, tx, id, req.Name, req.DisplayName, req.Bio, req.Links, avatarHash)
if err != nil {
switch errors.Cause(err) {
case db.ErrNothingToUpdate:

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@ -16,7 +16,7 @@ type GetUserResponse struct {
Username string `json:"name"`
DisplayName *string `json:"display_name"`
Bio *string `json:"bio"`
AvatarURLs []string `json:"avatar_urls"`
Avatar *string `json:"avatar"`
Links []string `json:"links"`
Names []db.FieldEntry `json:"names"`
Pronouns []db.PronounEntry `json:"pronouns"`
@ -36,7 +36,7 @@ type PartialMember struct {
Name string `json:"name"`
DisplayName *string `json:"display_name"`
Bio *string `json:"bio"`
AvatarURLs []string `json:"avatar_urls"`
Avatar *string `json:"avatar"`
Links []string `json:"links"`
Names []db.FieldEntry `json:"names"`
Pronouns []db.PronounEntry `json:"pronouns"`
@ -48,7 +48,7 @@ func dbUserToResponse(u db.User, fields []db.Field, members []db.Member) GetUser
Username: u.Username,
DisplayName: u.DisplayName,
Bio: u.Bio,
AvatarURLs: db.NotNull(u.AvatarURLs),
Avatar: u.Avatar,
Links: db.NotNull(u.Links),
Names: db.NotNull(u.Names),
Pronouns: db.NotNull(u.Pronouns),
@ -62,7 +62,7 @@ func dbUserToResponse(u db.User, fields []db.Field, members []db.Member) GetUser
Name: members[i].Name,
DisplayName: members[i].DisplayName,
Bio: members[i].Bio,
AvatarURLs: db.NotNull(members[i].AvatarURLs),
Avatar: members[i].Avatar,
Links: db.NotNull(members[i].Links),
Names: db.NotNull(members[i].Names),
Pronouns: db.NotNull(members[i].Pronouns),

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@ -101,7 +101,7 @@ func (s *Server) patchUser(w http.ResponseWriter, r *http.Request) error {
}
// update avatar
var avatarURLs []string = nil
var avatarHash *string = nil
if req.Avatar != nil {
webp, jpg, err := s.DB.ConvertAvatar(*req.Avatar)
if err != nil {
@ -121,12 +121,12 @@ func (s *Server) patchUser(w http.ResponseWriter, r *http.Request) error {
return err
}
webpURL, jpgURL, err := s.DB.WriteUserAvatar(ctx, claims.UserID, webp, jpg)
hash, err := s.DB.WriteUserAvatar(ctx, claims.UserID, webp, jpg)
if err != nil {
log.Errorf("uploading user avatar: %v", err)
return err
}
avatarURLs = []string{webpURL, jpgURL}
avatarHash = &hash
}
// start transaction
@ -152,7 +152,7 @@ func (s *Server) patchUser(w http.ResponseWriter, r *http.Request) error {
}
}
u, err = s.DB.UpdateUser(ctx, tx, claims.UserID, req.DisplayName, req.Bio, req.Links, avatarURLs)
u, err = s.DB.UpdateUser(ctx, tx, claims.UserID, req.DisplayName, req.Bio, req.Links, avatarHash)
if err != nil && errors.Cause(err) != db.ErrNothingToUpdate {
log.Errorf("updating user: %v", err)
return err

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@ -1,9 +1,11 @@
import { PUBLIC_BASE_URL } from "$env/static/public";
export interface User {
id: string;
name: string;
display_name: string | null;
bio: string | null;
avatar_urls: string[];
avatar: string | null;
links: string[];
names: FieldEntry[];
@ -47,7 +49,7 @@ export interface PartialMember {
name: string;
display_name: string | null;
bio: string | null;
avatar_urls: string[];
avatar: string | null;
links: string[];
names: FieldEntry[];
pronouns: Pronoun[];
@ -63,7 +65,7 @@ export interface MemberPartialUser {
id: string;
name: string;
display_name: string | null;
avatar_urls: string[];
avatar: string | null;
}
export interface APIError {
@ -98,3 +100,21 @@ export enum ErrorCode {
RequestTooBig = 4001,
}
export const userAvatars = (user: User | MeUser | MemberPartialUser) => {
if (!user.avatar) return [];
return [
`${PUBLIC_BASE_URL}/media/users/${user.id}/${user.avatar}.webp`,
`${PUBLIC_BASE_URL}/media/users/${user.id}/${user.avatar}.webp`,
];
};
export const memberAvatars = (member: Member | PartialMember) => {
if (!member.avatar) return [];
return [
`${PUBLIC_BASE_URL}/media/members/${member.id}/${member.avatar}.webp`,
`${PUBLIC_BASE_URL}/media/members/${member.id}/${member.avatar}.webp`,
];
};

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@ -1,5 +1,5 @@
<script lang="ts">
import { WordStatus, type PartialMember, type User } from "$lib/api/entities";
import { memberAvatars, WordStatus, type PartialMember, type User } from "$lib/api/entities";
import FallbackImage from "./FallbackImage.svelte";
export let user: User;
@ -31,7 +31,7 @@
</script>
<div>
<FallbackImage urls={member.avatar_urls} width={200} alt="Avatar for {member.name}" />
<FallbackImage urls={memberAvatars(member)} width={200} alt="Avatar for {member.name}" />
<p class="m-2">
<a class="text-reset fs-5" href="/@{user.name}/{member.name}">
{member.display_name ?? member.name}

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@ -11,6 +11,7 @@
import PartialMemberCard from "$lib/components/PartialMemberCard.svelte";
import FallbackImage from "$lib/components/FallbackImage.svelte";
import { userStore } from "$lib/store";
import { userAvatars } from "$lib/api/entities";
export let data: PageData;
@ -32,7 +33,7 @@
<div class="grid row-gap-3">
<div class="row">
<div class="col-md text-center">
<FallbackImage width={200} urls={data.avatar_urls} alt="Avatar for @{data.name}" />
<FallbackImage width={200} urls={userAvatars(data)} alt="Avatar for @{data.name}" />
</div>
<div class="col-md">
{#if data.display_name}

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@ -9,6 +9,7 @@
import PronounLink from "$lib/components/PronounLink.svelte";
import FallbackImage from "$lib/components/FallbackImage.svelte";
import { Button, Icon } from "sveltestrap";
import { memberAvatars } from "$lib/api/entities";
export let data: PageData;
@ -29,7 +30,7 @@
<div class="grid">
<div class="row">
<div class="col-md text-center">
<FallbackImage width={200} urls={data.avatar_urls} alt="Avatar for @{data.name}" />
<FallbackImage width={200} urls={memberAvatars(data)} alt="Avatar for @{data.name}" />
</div>
<div class="col-md">
<h2>{data.display_name ?? data.name}</h2>

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@ -1,6 +1,7 @@
<script lang="ts">
import { goto } from "$app/navigation";
import {
userAvatars,
WordStatus,
type APIError,
type Field,
@ -195,7 +196,7 @@
{#if avatar}
<img width={200} src={avatar} alt="New avatar" class="rounded-circle img-fluid" />
{:else}
<FallbackImage alt="Current avatar" urls={$userStore.avatar_urls} width={200} />
<FallbackImage alt="Current avatar" urls={userAvatars($userStore)} width={200} />
{/if}
</div>
<div class="col-md">

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@ -0,0 +1,9 @@
-- +migrate Up
-- 2023-03-13: Change avatar URLs to hashes
alter table users drop column avatar_urls;
alter table members drop column avatar_urls;
alter table users add column avatar text;
alter table members add column avatar text;