Rivendellaudio/lib/rdpodcast.cpp
Fred Gleason aef7c2229b 2017-08-31 Fred Gleason <fredg@paravelsystems.com>
* Modified web client components to use a distinctive http USER_AGENT
	string.
2017-08-31 12:38:39 -04:00

420 lines
8.6 KiB
C++

// rdpodcast.cpp
//
// Abstract a Rivendell Podcast
//
// (C) Copyright 2002-2007,2016 Fred Gleason <fredg@paravelsystems.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
#include <curl/curl.h>
#include <rddb.h>
#include <rdpodcast.h>
#include <rdconf.h>
#include <rdescape_string.h>
#include <rdurl.h>
//
// CURL Callbacks
//
int PodcastErrorCallback(CURL *curl,curl_infotype type,char *msg,size_t size,
void *clientp)
{
char str[1000];
if(type!=CURLINFO_TEXT) {
return 0;
}
if(size>999) {
size=999;
}
memset(&str,0,size+1);
memcpy(str,msg,size);
syslog(LOG_DEBUG,"CURL MSG: %s",str);
return 0;
}
RDPodcast::RDPodcast(RDConfig *config,unsigned id)
{
podcast_config=config;
RDSqlQuery *q;
QString sql;
podcast_id=id;
sql=QString().sprintf("select FEEDS.KEY_NAME from \
PODCASTS left join FEEDS \
on (PODCASTS.FEED_ID=FEEDS.ID) \
where PODCASTS.ID=%u",id);
q=new RDSqlQuery(sql);
if(q->first()) {
podcast_keyname=q->value(0).toString();
}
delete q;
}
unsigned RDPodcast::id() const
{
return podcast_id;
}
QString RDPodcast::keyName() const
{
return podcast_keyname;
}
bool RDPodcast::exists() const
{
return RDDoesRowExist("PODCASTS","ID",podcast_id);
}
unsigned RDPodcast::feedId() const
{
return RDGetSqlValue("PODCASTS","ID",podcast_id,"FEED_ID").
toUInt();
}
void RDPodcast::setFeedId(unsigned id) const
{
SetRow("FEED_ID",id);
}
QString RDPodcast::itemTitle() const
{
return RDGetSqlValue("PODCASTS","ID",podcast_id,"ITEM_TITLE").
toString();
}
void RDPodcast::setItemTitle(const QString &str) const
{
SetRow("ITEM_TITLE",str);
}
QString RDPodcast::itemDescription() const
{
return RDGetSqlValue("PODCASTS","ID",podcast_id,
"ITEM_DESCRIPTION").toString();
}
void RDPodcast::setItemDescription(const QString &str) const
{
SetRow("ITEM_DESCRIPTION",str);
}
QString RDPodcast::itemCategory() const
{
return RDGetSqlValue("PODCASTS","ID",podcast_id,"ITEM_CATEGORY").
toString();
}
void RDPodcast::setItemCategory(const QString &str) const
{
SetRow("ITEM_CATEGORY",str);
}
QString RDPodcast::itemLink() const
{
return RDGetSqlValue("PODCASTS","ID",podcast_id,"ITEM_LINK").
toString();
}
void RDPodcast::setItemLink(const QString &str) const
{
SetRow("ITEM_LINK",str);
}
QString RDPodcast::itemAuthor() const
{
return RDGetSqlValue("PODCASTS","ID",podcast_id,"ITEM_AUTHOR").
toString();
}
void RDPodcast::setItemAuthor(const QString &str) const
{
SetRow("ITEM_AUTHOR",str);
}
QString RDPodcast::itemComments() const
{
return RDGetSqlValue("PODCASTS","ID",podcast_id,"ITEM_COMMENTS").
toString();
}
void RDPodcast::setItemComments(const QString &str) const
{
SetRow("ITEM_COMMENTS",str);
}
QString RDPodcast::itemSourceText() const
{
return RDGetSqlValue("PODCASTS","ID",podcast_id,"ITEM_SOURCE_TEXT").
toString();
}
void RDPodcast::setItemSourceText(const QString &str) const
{
SetRow("ITEM_SOURCE_TEXT",str);
}
QString RDPodcast::itemSourceUrl() const
{
return RDGetSqlValue("PODCASTS","ID",podcast_id,"ITEM_SOURCE_URL").
toString();
}
void RDPodcast::setItemSourceUrl(const QString &str) const
{
SetRow("ITEM_SOURCE_URL",str);
}
QDateTime RDPodcast::originDateTime() const
{
return RDGetSqlValue("PODCASTS","ID",podcast_id,
"ORIGIN_DATETIME").toDateTime();
}
void RDPodcast::setOriginDateTime(const QDateTime &datetime) const
{
SetRow("ORIGIN_DATETIME",datetime,"yyyy-MM-dd hh:mm:ss");
}
QDateTime RDPodcast::effectiveDateTime() const
{
return RDGetSqlValue("PODCASTS","ID",podcast_id,
"EFFECTIVE_DATETIME").toDateTime();
}
void RDPodcast::setEffectiveDateTime(const QDateTime &datetime) const
{
SetRow("EFFECTIVE_DATETIME",datetime,"yyyy-MM-dd hh:mm:ss");
}
QString RDPodcast::audioFilename() const
{
return RDGetSqlValue("PODCASTS","ID",podcast_id,
"AUDIO_FILENAME").toString();
}
void RDPodcast::setAudioFilename(const QString &str) const
{
SetRow("AUDIO_FILENAME",str);
}
int RDPodcast::audioLength() const
{
return RDGetSqlValue("PODCASTS","ID",podcast_id,"AUDIO_LENGTH").
toUInt();
}
void RDPodcast::setAudioLength(int len) const
{
SetRow("AUDIO_LENGTH",len);
}
int RDPodcast::audioTime() const
{
return RDGetSqlValue("PODCASTS","ID",podcast_id,"AUDIO_TIME").
toUInt();
}
void RDPodcast::setAudioTime(int msecs) const
{
SetRow("AUDIO_TIME",msecs);
}
unsigned RDPodcast::shelfLife() const
{
return RDGetSqlValue("PODCASTS","ID",podcast_id,"SHELF_LIFE").
toUInt();
}
void RDPodcast::setShelfLife(unsigned days) const
{
SetRow("SHELF_LIFE",days);
}
RDPodcast::Status RDPodcast::status() const
{
return (RDPodcast::Status)RDGetSqlValue("PODCASTS","ID",
podcast_id,"STATUS").toUInt();
}
void RDPodcast::setStatus(RDPodcast::Status status)
{
SetRow("STATUS",(unsigned)status);
}
bool RDPodcast::removeAudio(RDFeed *feed,QString *err_text,bool log_debug) const
{
CURL *curl=NULL;
struct curl_slist *cmds=NULL;
CURLcode err;
QUrl *url;
bool ret=true;
QString currentdir;
char urlstr[1024];
char userpwd[256];
if((curl=curl_easy_init())==NULL) {
syslog(LOG_ERR,"unable to initialize curl library\n");
return false;
}
url=new QUrl(feed->purgeUrl());
strncpy(urlstr,(const char *)(url->protocol()+"://"+url->host()+"/"),1024);
curl_easy_setopt(curl,CURLOPT_URL,urlstr);
strncpy(userpwd,(const char *)QString().
sprintf("%s:%s",(const char *)feed->purgeUsername(),
(const char *)feed->purgePassword()),256);
curl_easy_setopt(curl,CURLOPT_USERPWD,userpwd);
curl_easy_setopt(curl,CURLOPT_HTTPAUTH,CURLAUTH_ANY);
curl_easy_setopt(curl,CURLOPT_USERAGENT,
(const char *)podcast_config->userAgent());
if(log_debug) {
curl_easy_setopt(curl,CURLOPT_VERBOSE,1);
curl_easy_setopt(curl,CURLOPT_DEBUGFUNCTION,PodcastErrorCallback);
}
currentdir="";
if(!url->dirPath().right(url->dirPath().length()-1).isEmpty()) {
currentdir=url->dirPath().right(url->dirPath().length()-1)+"/";
}
if(!url->fileName().isEmpty()) {
currentdir+=url->fileName()+"/";
}
if(!currentdir.isEmpty()) {
cmds=curl_slist_append(cmds,QString().sprintf("cwd %s",
(const char *)currentdir));
}
cmds=curl_slist_append(cmds, QString().sprintf("dele %s",
(const char *)audioFilename()));
curl_easy_setopt(curl,CURLOPT_QUOTE,cmds);
switch((err=curl_easy_perform(curl))) {
case CURLE_OK:
#ifdef CURLE_QUOTE_ERROR
case CURLE_QUOTE_ERROR: // In case the file is already gone
#endif // CURLE_QUOTE_ERROR
ret=true;
break;
default:
ret=false;
break;
}
if(err_text!=NULL) {
*err_text=curl_easy_strerror(err);
}
curl_slist_free_all(cmds);
curl_easy_cleanup(curl);
delete url;
return ret;
}
QString RDPodcast::guid(const QString &url,const QString &filename,
unsigned feed_id,unsigned cast_id)
{
return QString().sprintf("%s/%s_%06u_%06u",
(const char *)url,(const char *)filename,
feed_id,cast_id);
}
QString RDPodcast::guid(const QString &full_url,unsigned feed_id,
unsigned cast_id)
{
return QString().sprintf("%s_%06u_%06u",
(const char *)full_url,feed_id,cast_id);
}
void RDPodcast::SetRow(const QString &param,int value) const
{
RDSqlQuery *q;
QString sql;
sql=QString().sprintf("UPDATE PODCASTS SET %s=%d WHERE ID=%u",
(const char *)param,
value,
podcast_id);
q=new RDSqlQuery(sql);
delete q;
}
void RDPodcast::SetRow(const QString &param,const QString &value) const
{
RDSqlQuery *q;
QString sql;
sql=QString().sprintf("UPDATE PODCASTS SET %s=\"%s\" WHERE ID=%u",
(const char *)param,
(const char *)RDEscapeString(value),
podcast_id);
q=new RDSqlQuery(sql);
delete q;
}
void RDPodcast::SetRow(const QString &param,const QDateTime &value,
const QString &format) const
{
RDSqlQuery *q;
QString sql;
sql=QString().sprintf("UPDATE PODCASTS SET %s=%s WHERE ID=%u",
(const char *)param,
(const char *)RDCheckDateTime(value, format),
podcast_id);
q=new RDSqlQuery(sql);
delete q;
}