260 lines
8.1 KiB
C
260 lines
8.1 KiB
C
/*
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* Treebird - Lightweight frontend for Pleroma
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* Copyright (C) 2022 Nekobit
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include <stdlib.h>
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#include "base_page.h"
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#include "helpers.h"
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#include "easprintf.h"
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#include "attachments.h"
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#include "string_helpers.h"
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// Pages
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#include "../static/attachments.ctmpl"
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#include "../static/attachment_image.ctmpl"
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#include "../static/attachment_gifv.ctmpl"
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#include "../static/attachment_video.ctmpl"
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#include "../static/attachment_link.ctmpl"
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#include "../static/attachment_audio.ctmpl"
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struct attachments_args
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{
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struct session* ssn;
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struct mstdnt_attachment* atts;
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mstdnt_bool sensitive;
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};
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int try_upload_media(struct mstdnt_storage** storage,
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struct session* ssn,
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mastodont_t* api,
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struct mstdnt_attachment** attachments,
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char*** media_ids)
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{
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struct mstdnt_args m_args;
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set_mstdnt_args(&m_args, ssn);
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size_t size = keyfile(ssn->post.files).array_size;
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if (!FILES_READY(ssn))
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return 1;
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if (media_ids)
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*media_ids = malloc(sizeof(char*) * size);
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*attachments = malloc(sizeof(struct mstdnt_attachment) * size);
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*storage = calloc(1, sizeof(struct mstdnt_storage) * size);
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for (int i = 0; i < size; ++i)
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{
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struct file_content* content = keyfile(ssn->post.files).content + i;
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struct mstdnt_upload_media_args args = {
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.file = {
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.file = content->content,
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.filename = content->filename,
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.filesize = content->content_size,
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.filetype = content->filetype,
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},
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.thumbnail = NULL,
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.description = NULL,
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};
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if (mastodont_upload_media(api,
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&m_args,
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&args,
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*storage + i,
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*attachments + i))
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{
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for (size_t j = 0; j < i; ++j)
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{
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if (media_ids) free((*media_ids)[j]);
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mastodont_storage_cleanup(*storage + j);
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}
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if (media_ids)
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{
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free(*media_ids);
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*media_ids = NULL;
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}
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free(*attachments);
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*attachments = NULL;
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free(*storage);
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*storage = NULL;
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return 1;
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}
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if (media_ids)
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{
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(*media_ids)[i] = malloc(strlen((*attachments)[i].id)+1);
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strcpy((*media_ids)[i], (*attachments)[i].id);
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}
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}
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return 0;
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}
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void cleanup_media_storages(struct session* ssn, struct mstdnt_storage* storage)
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{
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if (!FILES_READY(ssn)) return;
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for (size_t i = 0; i < keyfile(ssn->post.files).array_size; ++i)
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mastodont_storage_cleanup(storage + i);
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free(storage);
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}
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void cleanup_media_ids(struct session* ssn, char** media_ids)
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{
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if (!FILES_READY(ssn)) return;
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if (!media_ids) return;
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for (size_t i = 0; i < keyfile(ssn->post.files).array_size; ++i)
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free(media_ids[i]);
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free(media_ids);
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}
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char* construct_attachment(struct session* ssn,
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mstdnt_bool sensitive,
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struct mstdnt_attachment* att,
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size_t* str_size)
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{
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// Due to how similar the attachment templates are, we're just going to use their data files
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// and not generate any templates, saves some LOC!
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char* att_html;
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size_t s;
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const char* attachment_str;
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if (!att) return NULL;
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if (ssn->config.stat_attachments)
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switch (att->type)
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{
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case MSTDNT_ATTACHMENT_IMAGE:
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attachment_str = data_attachment_image; break;
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case MSTDNT_ATTACHMENT_GIFV:
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attachment_str = data_attachment_gifv; break;
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case MSTDNT_ATTACHMENT_VIDEO:
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attachment_str = data_attachment_video; break;
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case MSTDNT_ATTACHMENT_AUDIO:
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attachment_str = data_attachment_audio; break;
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case MSTDNT_ATTACHMENT_UNKNOWN: // Fall through
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default:
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attachment_str = data_attachment_link; break;
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}
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else
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attachment_str = data_attachment_link;
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// Images/visible content displays sensitive placeholder after
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if ((att->type == MSTDNT_ATTACHMENT_IMAGE ||
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att->type == MSTDNT_ATTACHMENT_GIFV ||
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att->type == MSTDNT_ATTACHMENT_VIDEO) &&
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ssn->config.stat_attachments)
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{
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s = easprintf(&att_html, attachment_str,
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att->url,
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sensitive ? "<div class=\"sensitive-contain sensitive\"></div>" : "");
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}
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else {
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s = easprintf(&att_html, attachment_str,
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sensitive ? "sensitive" : "",
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att->url);
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}
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if (str_size) *str_size = s;
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return att_html;
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}
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static char* construct_attachments_voidwrap(void* passed, size_t index, size_t* res)
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{
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struct attachments_args* args = passed;
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return construct_attachment(args->ssn, args->sensitive, args->atts + index, res);
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}
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char* construct_attachments(struct session* ssn,
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mstdnt_bool sensitive,
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struct mstdnt_attachment* atts,
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size_t atts_len,
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size_t* str_size)
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{
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size_t elements_size;
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struct attachments_args args = { ssn, atts, sensitive };
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char* elements = construct_func_strings(construct_attachments_voidwrap, &args, atts_len, &elements_size);
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char* att_view;
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size_t s = easprintf(&att_view, data_attachments, elements);
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if (str_size) *str_size = s;
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// Cleanup
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free(elements);
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return att_view;
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}
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HV* perlify_attachment(struct mstdnt_attachment* const attachment)
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{
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if (!attachment) return NULL;
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HV* attach_hv = newHV();
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hvstores_str(attach_hv, "id", attachment->id);
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hvstores_int(attach_hv, "type", attachment->type);
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hvstores_str(attach_hv, "url", attachment->url);
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hvstores_str(attach_hv, "preview_url", attachment->preview_url);
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hvstores_str(attach_hv, "remote_url", attachment->remote_url);
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hvstores_str(attach_hv, "hash", attachment->hash);
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hvstores_str(attach_hv, "description", attachment->description);
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hvstores_str(attach_hv, "blurhash", attachment->blurhash);
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return attach_hv;
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}
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AV* perlify_attachments(struct mstdnt_attachment* const attachments, size_t len)
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{
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if (!(attachments && len)) return NULL;
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AV* av = newAV();
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av_extend(av, len-1);
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for (int i = 0; i < len; ++i)
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{
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av_store(av, i, newRV_inc((SV*)perlify_attachment(attachments + i)));
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}
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return av;
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}
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void api_attachment_create(PATH_ARGS)
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{
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struct mstdnt_storage *att_storage = NULL;
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struct mstdnt_attachment* attachments = NULL;
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char* string;
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char** media_ids = NULL;
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cJSON* root = cJSON_CreateObject();
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// TODO If multiple attachments are submitted, this uploads all of them.
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// I don't think we want that, but it's just a minor issue and won't happen on TreebirdFE.
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try_upload_media(&att_storage, ssn, api, &attachments, &media_ids);
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if (media_ids)
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cJSON_AddStringToObject(root, "id", media_ids[0]);
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if (media_ids)
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{
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string = cJSON_Print(root);
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send_result(req, NULL, "application/json", string, 0);
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free(string);
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}
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else
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send_result(req, NULL, "application/json", "{\"status\":\"Couldn't\"}", 0);
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// Cleanup media stuff
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cleanup_media_storages(ssn, att_storage);
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cleanup_media_ids(ssn, media_ids);
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free(attachments);
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cJSON_Delete(root);
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}
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