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Check the digest before enqueueing.

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default 2022-09-27 07:16:46 +02:00
parent 7255086401
commit e550e86afb
1 changed files with 15 additions and 1 deletions
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16
activitypub.c
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@ -6,6 +6,7 @@
#include "xs_json.h" #include "xs_json.h"
#include "xs_curl.h" #include "xs_curl.h"
#include "xs_mime.h" #include "xs_mime.h"
#include "xs_openssl.h"
#include "snac.h" #include "snac.h"
@ -311,7 +312,7 @@ void process_message(snac *snac, char *msg, char *req)
timeline_request(snac, in_reply_to, NULL); timeline_request(snac, in_reply_to, NULL);
if (timeline_add(snac, id, msg, in_reply_to, NULL)) if (timeline_add(snac, id, object, in_reply_to, NULL))
snac_log(snac, xs_fmt("new 'Note' %s %s", actor, id)); snac_log(snac, xs_fmt("new 'Note' %s %s", actor, id));
} }
} }
@ -551,6 +552,7 @@ int activitypub_post_handler(d_char *req, char *q_path,
int status = 202; /* accepted */ int status = 202; /* accepted */
char *i_ctype = xs_dict_get(req, "content-type"); char *i_ctype = xs_dict_get(req, "content-type");
snac snac; snac snac;
char *v;
if (i_ctype == NULL) if (i_ctype == NULL)
return 400; return 400;
@ -584,6 +586,18 @@ int activitypub_post_handler(d_char *req, char *q_path,
return 404; return 404;
} }
/* if it has a digest, check it now, because
later the payload won't be exactly the same */
if ((v = xs_dict_get(req, "digest")) != NULL) {
xs *s1 = xs_sha256_base64(payload, p_size);
xs *s2 = xs_fmt("SHA-256=%s", s1);
if (strcmp(s2, v) == 0)
srv_log(xs_fmt("digest check OK"));
else
srv_log(xs_fmt("digest check FAILED"));
}
enqueue_input(&snac, msg, req); enqueue_input(&snac, msg, req);
user_free(&snac); user_free(&snac);