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New function get_attachments() (still unused).

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default 2024-01-24 19:13:46 +01:00
parent 24cd0c11b9
commit 08898af45c
1 changed files with 121 additions and 0 deletions
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121
activitypub.c
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@ -184,6 +184,127 @@ char *get_atto(const xs_dict *msg)
}
xs_list *get_attachments(const xs_dict *msg)
/* unify the garbage fire that are the attachments */
{
xs_list *l = xs_list_new();
xs_list *p;
/* try first the attachments list */
if (!xs_is_null(p = xs_dict_get(msg, "attachments"))) {
xs *attach = NULL;
xs_val *v;
/* ensure it's a list */
if (xs_type(p) == XSTYPE_DICT) {
attach = xs_list_new();
attach = xs_list_append(attach, v);
}
else
attach = xs_dup(p);
if (xs_type(attach) == XSTYPE_LIST) {
/* does the message have an image? */
if (xs_type(v = xs_dict_get(msg, "image")) == XSTYPE_DICT) {
/* add it to the attachment list */
attach = xs_list_append(attach, v);
}
}
/* now iterate the list */
p = attach;
while (xs_list_iter(&p, &v)) {
char *type = xs_dict_get(v, "mediaType");
if (xs_is_null(type))
type = xs_dict_get(v, "type");
if (xs_is_null(type))
continue;
char *href = xs_dict_get(v, "url");
if (xs_is_null(href))
href = xs_dict_get(v, "href");
if (xs_is_null(href))
continue;
/* infer MIME type from non-specific attachments */
if (xs_list_len(attach) < 2 && xs_match(type, "Link|Document")) {
char *mt = (char *)xs_mime_by_ext(href);
if (xs_match(mt, "image/*|audio/*|video/*")) /* */
type = mt;
}
char *name = xs_dict_get(v, "name");
if (xs_is_null(name))
name = xs_dict_get(msg, "name");
if (xs_is_null(name))
name = L("No description");
xs *d = xs_dict_new();
d = xs_dict_append(d, "type", type);
d = xs_dict_append(d, "href", href);
d = xs_dict_append(d, "name", name);
l = xs_list_append(l, d);
}
}
/** urls (attachments from Peertube) **/
p = xs_dict_get(msg, "url");
if (xs_type(p) == XSTYPE_LIST) {
char *href = NULL;
char *type = NULL;
xs_val *v;
while (href == NULL && xs_list_iter(&p, &v)) {
if (xs_type(v) == XSTYPE_DICT) {
char *mtype = xs_dict_get(v, "type");
if (xs_type(type) == XSTYPE_STRING && strcmp(type, "Link") == 0) {
mtype = xs_dict_get(v, "mediaType");
xs_list *tag = xs_dict_get(v, "tag");
if (xs_type(mtype) == XSTYPE_STRING &&
strcmp(mtype, "application/x-mpegURL") == 0 &&
xs_type(tag) == XSTYPE_LIST) {
/* now iterate the tag list, looking for a video URL */
xs_dict *d;
while (href == NULL && xs_list_iter(&tag, &d)) {
if (xs_type(d) == XSTYPE_DICT) {
if (xs_type(mtype = xs_dict_get(d, "mediaType")) == XSTYPE_STRING &&
xs_startswith(mtype, "video/")) {
char *h = xs_dict_get(d, "href");
/* this is probably it */
if (xs_type(h) == XSTYPE_STRING) {
href = h;
type = mtype;
}
}
}
}
}
}
}
}
if (href && type) {
xs *d = xs_dict_new();
d = xs_dict_append(d, "href", href);
d = xs_dict_append(d, "type", type);
d = xs_dict_append(d, "name", "---");
l = xs_list_append(l, d);
}
}
return l;
}
int timeline_request(snac *snac, char **id, xs_str **wrk, int level)
/* ensures that an entry and its ancestors are in the timeline */
{