mirror of https://codeberg.org/grunfink/snac2.git
326 lines
9.3 KiB
C
326 lines
9.3 KiB
C
/* snac - A simple, minimalistic ActivityPub instance */
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/* copyright (c) 2022 - 2024 grunfink et al. / MIT license */
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#include "xs.h"
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#include "xs_io.h"
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#include "xs_json.h"
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#include "xs_glob.h"
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#include "snac.h"
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#include <sys/stat.h>
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int snac_upgrade(xs_str **error)
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{
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int ret = 1;
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int changed = 0;
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double f = 0.0;
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for (;;) {
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char *layout = xs_dict_get(srv_config, "layout");
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double nf;
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f = nf = xs_number_get(layout);
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if (!(f < disk_layout))
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break;
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srv_log(xs_fmt("disk layout upgrade needed (%1.1lf < %1.1lf)", f, disk_layout));
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if (f < 2.0) {
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*error = xs_fmt("ERROR: unsupported old disk layout %1.1lf\n", f);
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ret = 0;
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break;
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}
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else
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if (f < 2.1) {
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xs *dir = xs_fmt("%s/object", srv_basedir);
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mkdirx(dir);
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nf = 2.1;
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}
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else
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if (f < 2.2) {
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xs *users = user_list();
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char *p, *v;
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p = users;
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while (xs_list_iter(&p, &v)) {
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snac snac;
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if (user_open(&snac, v)) {
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xs *spec = xs_fmt("%s/actors/" "*.json", snac.basedir);
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xs *list = xs_glob(spec, 0, 0);
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char *g, *fn;
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g = list;
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while (xs_list_iter(&g, &fn)) {
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xs *l = xs_split(fn, "/");
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char *b = xs_list_get(l, -1);
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xs *dir = xs_fmt("%s/object/%c%c", srv_basedir, b[0], b[1]);
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xs *nfn = xs_fmt("%s/%s", dir, b);
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mkdirx(dir);
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rename(fn, nfn);
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}
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xs *odir = xs_fmt("%s/actors", snac.basedir);
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rmdir(odir);
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user_free(&snac);
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}
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}
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nf = 2.2;
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}
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else
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if (f < 2.3) {
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xs *users = user_list();
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char *p, *v;
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p = users;
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while (xs_list_iter(&p, &v)) {
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snac snac;
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if (user_open(&snac, v)) {
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char *p, *v;
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xs *dir = xs_fmt("%s/hidden", snac.basedir);
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/* create the hidden directory */
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mkdirx(dir);
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/* rename all muted files incorrectly named .json */
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xs *spec = xs_fmt("%s/muted/" "*.json", snac.basedir);
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xs *fns = xs_glob(spec, 0, 0);
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p = fns;
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while (xs_list_iter(&p, &v)) {
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xs *nfn = xs_replace(v, ".json", "");
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rename(v, nfn);
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}
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user_free(&snac);
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}
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}
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nf = 2.3;
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}
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else
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if (f < 2.4) {
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xs *users = user_list();
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char *p, *v;
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p = users;
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while (xs_list_iter(&p, &v)) {
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snac snac;
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if (user_open(&snac, v)) {
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xs *dir = xs_fmt("%s/public", snac.basedir);
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mkdirx(dir);
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dir = xs_replace_i(dir, "public", "private");
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mkdirx(dir);
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user_free(&snac);
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}
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}
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nf = 2.4;
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}
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else
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if (f < 2.5) {
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/* upgrade followers */
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xs *users = user_list();
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char *p, *v;
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p = users;
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while (xs_list_iter(&p, &v)) {
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snac snac;
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if (user_open(&snac, v)) {
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xs *spec = xs_fmt("%s/followers/" "*.json", snac.basedir);
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xs *dir = xs_glob(spec, 0, 0);
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char *p, *v;
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p = dir;
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while (xs_list_iter(&p, &v)) {
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FILE *f;
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if ((f = fopen(v, "r")) != NULL) {
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xs *s = xs_readall(f);
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xs *o = xs_json_loads(s);
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fclose(f);
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char *type = xs_dict_get(o, "type");
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if (!xs_is_null(type) && strcmp(type, "Follow") == 0) {
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unlink(v);
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char *actor = xs_dict_get(o, "actor");
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if (!xs_is_null(actor))
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follower_add(&snac, actor);
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}
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}
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}
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user_free(&snac);
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}
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}
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nf = 2.5;
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}
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else
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if (f < 2.6) {
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/* upgrade local/ to public/ */
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xs *users = user_list();
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char *p, *v;
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p = users;
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while (xs_list_iter(&p, &v)) {
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snac snac;
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if (user_open(&snac, v)) {
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xs *spec = xs_fmt("%s/local/" "*.json", snac.basedir);
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xs *dir = xs_glob(spec, 0, 0);
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char *p, *v;
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p = dir;
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while (xs_list_iter(&p, &v)) {
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FILE *f;
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if ((f = fopen(v, "r")) != NULL) {
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xs *s = xs_readall(f);
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xs *o = xs_json_loads(s);
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fclose(f);
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xs *meta = xs_dup(xs_dict_get(o, "_snac"));
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o = xs_dict_del(o, "_snac");
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char *id = xs_dict_get(o, "id");
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/* store object */
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object_add_ow(id, o);
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/* if it's from us, add to public */
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if (xs_startswith(id, snac.actor)) {
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char *p, *v;
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object_user_cache_add(&snac, id, "public");
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p = xs_dict_get(meta, "announced_by");
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while (xs_list_iter(&p, &v))
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object_admire(id, v, 0);
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p = xs_dict_get(meta, "liked_by");
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while (xs_list_iter(&p, &v))
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object_admire(id, v, 1);
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}
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unlink(v);
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}
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}
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xs *od = xs_fmt("%s/local", snac.basedir);
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rmdir(od);
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user_free(&snac);
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}
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}
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nf = 2.6;
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}
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else
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if (f < 2.7) {
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/* upgrade timeline/ to private/ */
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xs *users = user_list();
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char *p, *v;
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p = users;
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while (xs_list_iter(&p, &v)) {
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snac snac;
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if (user_open(&snac, v)) {
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xs *spec = xs_fmt("%s/timeline/" "*.json", snac.basedir);
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xs *dir = xs_glob(spec, 0, 0);
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char *p, *v;
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p = dir;
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while (xs_list_iter(&p, &v)) {
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FILE *f;
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if ((f = fopen(v, "r")) != NULL) {
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xs *s = xs_readall(f);
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xs *o = xs_json_loads(s);
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fclose(f);
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xs *meta = xs_dup(xs_dict_get(o, "_snac"));
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o = xs_dict_del(o, "_snac");
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char *id = xs_dict_get(o, "id");
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/* store object */
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object_add_ow(id, o);
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{
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char *p, *v;
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object_user_cache_add(&snac, id, "private");
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p = xs_dict_get(meta, "announced_by");
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while (xs_list_iter(&p, &v))
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object_admire(id, v, 0);
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p = xs_dict_get(meta, "liked_by");
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while (xs_list_iter(&p, &v))
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object_admire(id, v, 1);
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}
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unlink(v);
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}
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}
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xs *od = xs_fmt("%s/timeline", snac.basedir);
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rmdir(od);
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user_free(&snac);
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}
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}
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nf = 2.7;
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}
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if (f < nf) {
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f = nf;
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xs *nv = xs_number_new(f);
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srv_config = xs_dict_set(srv_config, "layout", nv);
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srv_log(xs_fmt("disk layout upgraded to version %1.1lf", f));
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changed++;
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}
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else
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break;
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}
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if (f > disk_layout) {
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*error = xs_fmt("ERROR: unknown future version %lf\n", f);
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ret = 0;
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}
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if (changed) {
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/* upgrade the configuration file */
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xs *fn = xs_fmt("%s/server.json", srv_basedir);
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FILE *f;
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if ((f = fopen(fn, "w")) != NULL) {
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xs_json_dump(srv_config, 4, f);
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fclose(f);
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srv_log(xs_fmt("disk layout upgraded %s after %d changes", fn, changed));
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}
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else
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ret = 0;
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}
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return ret;
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}
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