From b80844f51353339cfbb8b35a5585911cdb4301e2 Mon Sep 17 00:00:00 2001
From: Michael Krelin <hacker@klever.net>
Date: Tue, 12 Feb 2013 18:47:34 +0000
Subject: moved everything into worker class.

---
(limited to 'src/eyefiservice.cc')

diff --git a/src/eyefiservice.cc b/src/eyefiservice.cc
deleted file mode 100644
index 4a4a179..0000000
--- a/src/eyefiservice.cc
+++ b/dev/null
@@ -1,290 +0,0 @@
-#include <cassert>
-#include <iostream>
-#include <fstream>
-#include <stdexcept>
-#include <iterator>
-#include <algorithm>
-#include <syslog.h>
-#include <sys/wait.h>
-#include <autosprintf.h>
-#include "eyekinfig.h"
-#include "eyetil.h"
-#include "soapeyefiService.h"
-#ifdef HAVE_SQLITE
-# include "iiidb.h"
-#endif
-
-static binary_t session_nonce;
-#ifdef HAVE_SQLITE
-    static struct {
-	std::string filesignature;
-	long filesize;
-	std::string filename;
-	inline void reset() { filesignature.erase(); filename.erase(); filesize=0; }
-	inline void set(const std::string n,const std::string sig,long siz) {
-	    filename = n; filesignature = sig; filesize = siz;
-	}
-	inline bool is(const std::string n,const std::string sig,long siz) {
-	    return filesize==siz && filename==n && filesignature==sig;
-	}
-    }   already;
-#endif /* HAVE_SQLITE */
-
-static bool detached_child() {
-    pid_t p = fork();
-    if(p<0) {
-	syslog(LOG_ERR,"Failed to fork away for hook execution");
-	_exit(-1);
-    }
-    if(!p) {
-	setsid();
-	for(int i=getdtablesize();i>=0;--i) close(i);
-	int i=open("/dev/null",O_RDWR); assert(i==0);
-	i = dup(i); assert(i==1);
-	i = dup(i); assert(i==2);
-	return true;
-    }
-    return false;
-}
-
-static int E(eyefiService* efs,const char *c,const std::exception& e) {
-    efs->keep_alive=0;
-    syslog(LOG_ERR,"error while processing %s: %s",c,e.what());
-    return soap_sender_fault(efs,gnu::autosprintf("error processing %s",c),0);
-}
-
-int eyefiService::StartSession(
-	std::string macaddress,std::string cnonce,
-	int transfermode,long transfermodetimestamp,
-	struct rns__StartSessionResponse &r ) try {
-    syslog(LOG_INFO,
-	    "StartSession request from %s with cnonce=%s, transfermode=%d, transfermodetimestamp=%ld",
-	    macaddress.c_str(), cnonce.c_str(), transfermode, transfermodetimestamp );
-    eyekinfig_t eyekinfig(macaddress);
-    r.credential = binary_t(macaddress+cnonce+eyekinfig.get_upload_key()).md5().hex();
-
-    r.snonce = session_nonce.make_nonce().hex();
-    r.transfermode=transfermode;
-    r.transfermodetimestamp=transfermodetimestamp;
-    r.upsyncallowed=false;
-
-    std::string cmd = eyekinfig.get_on_start_session();
-    if(!cmd.empty()) {
-	if(detached_child()) {
-	    putenv( gnu::autosprintf("EYEFI_MACADDRESS=%s",macaddress.c_str()) );
-	    putenv( gnu::autosprintf("EYEFI_TRANSFERMODE=%d",transfermode) );
-	    putenv( gnu::autosprintf("EYEFI_TRANSFERMODETIMESTAMP=%ld",transfermodetimestamp) );
-	    char *argv[] = { (char*)"/bin/sh", (char*)"-c", (char*)cmd.c_str(), 0 };
-	    execv("/bin/sh",argv);
-	    syslog(LOG_ERR,"Failed to execute '%s'",cmd.c_str());
-	    _exit(-1);
-	}
-    }
-    return SOAP_OK;
-}catch(const std::exception& e) { return E(this,"StartSession",e); }
-
-int eyefiService::GetPhotoStatus(
-	std::string credential, std::string macaddress,
-	std::string filename, long filesize, std::string filesignature,
-	int flags,
-	struct rns__GetPhotoStatusResponse &r ) try {
-    syslog(LOG_INFO,
-	    "GetPhotoStatus request from %s with credential=%s, filename=%s, filesize=%ld, filesignature=%s, flags=%d; session nonce=%s",
-	    macaddress.c_str(), credential.c_str(), filename.c_str(), filesize, filesignature.c_str(), flags,
-	    session_nonce.hex().c_str() );
-
-    eyekinfig_t eyekinfig(macaddress);
-    std::string computed_credential = binary_t(macaddress+eyekinfig.get_upload_key()+session_nonce.hex()).md5().hex();
-
-#ifndef NDEBUG
-    syslog(LOG_DEBUG, " computed credential=%s", computed_credential.c_str());
-#endif
-
-    if (credential != computed_credential) throw std::runtime_error("card authentication failed");
-
-#ifdef HAVE_SQLITE
-    iiidb_t D(eyekinfig);
-    seclude::stmt_t S = D.prepare(
-	    "SELECT fileid FROM photo"
-	    " WHERE mac=:mac AND filename=:filename"
-	    "  AND filesize=:filesize AND filesignature=:filesignature"
-    ).bind(":mac",macaddress)
-     .bind(":filename",filename).bind(":filesize",filesize)
-     .bind(":filesignature",filesignature);
-    if(!S.step()) {
-	r.fileid = 1; r.offset = 0;
-    }else{
-	r.fileid = S.column<long>(0);
-	r.offset = filesize;
-	already.set(filename,filesignature,filesize);
-    }
-#else /* HAVE_SQLITE */
-    r.fileid=1, r.offset=0;
-#endif /* HAVE_SQLITE */
-    return SOAP_OK;
-}catch(const std::exception& e) { return E(this,"GetPhotoStatus",e); }
-
-int eyefiService::MarkLastPhotoInRoll(
-	std::string macaddress, int mergedelta,
-	struct rns__MarkLastPhotoInRollResponse&/* r */ ) try {
-    syslog(LOG_INFO,
-	    "MarkLastPhotoInRoll request from %s with mergedelta=%d",
-	    macaddress.c_str(), mergedelta );
-    std::string cmd = eyekinfig_t(macaddress).get_on_mark_last_photo_in_roll();
-    if(!cmd.empty()) {
-	if(detached_child()) {
-	    putenv( gnu::autosprintf("EYEFI_MACADDRESS=%s",macaddress.c_str()) );
-	    putenv( gnu::autosprintf("EYEFI_MERGEDELTA=%d",mergedelta) );
-	    char *argv[] = { (char*)"/bin/sh", (char*)"-c", (char*)cmd.c_str(), 0 };
-	    execv("/bin/sh",argv);
-	    syslog(LOG_ERR,"Failed to execute '%s'",cmd.c_str());
-	    _exit(-1);
-	}
-    }
-    keep_alive = 0;
-    return SOAP_OK;
-}catch(const std::exception& e) { return E(this,"MarkLastPhotoInRoll",e); }
-
-int eyefiService::UploadPhoto(
-	int fileid, std::string macaddress,
-	std::string filename, long filesize, std::string filesignature,
-	std::string encryption, int flags,
-	struct rns__UploadPhotoResponse& r ) try {
-    syslog(LOG_INFO,
-	    "UploadPhoto request from %s with fileid=%d, filename=%s, filesize=%ld,"
-	    " filesignature=%s, encryption=%s, flags=%04X",
-	    macaddress.c_str(), fileid, filename.c_str(), filesize,
-	    filesignature.c_str(), encryption.c_str(), flags );
-    std::string::size_type fnl=filename.length();
-    if(fnl<sizeof(".tar") || strncmp(filename.c_str()+fnl-sizeof(".tar")+sizeof(""),".tar",sizeof(".tar")))
-	throw std::runtime_error(gnu::autosprintf("honestly, I expected the tarball coming here, not '%s'",filename.c_str()));
-    std::string the_file(filename,0,fnl-sizeof(".tar")+sizeof(""));
-    std::string the_log = the_file+".log";
-
-    eyekinfig_t eyekinfig(macaddress);
-
-    umask(eyekinfig.get_umask());
-
-    std::string td = eyekinfig.get_targetdir();
-    tmpdir_t indir(td+"/.incoming.XXXXXX");
-
-    std::string tf,lf;
-    binary_t digest, idigest;
-#ifdef HAVE_SQLITE
-    bool beenthere = false;
-#endif
-
-    for(soap_multipart::iterator i=mime.begin(),ie=mime.end();i!=ie;++i) {
-#ifndef NDEBUG
-	syslog(LOG_DEBUG,
-		" MIME attachment with id=%s, type=%s, size=%ld",
-		(*i).id, (*i).type, (long)(*i).size );
-#endif
-
-	if((*i).id && !strcmp((*i).id,"INTEGRITYDIGEST")) {
-	    std::string idigestr((*i).ptr,(*i).size);
-#ifndef NDEBUG
-	    syslog(LOG_DEBUG, " INTEGRITYDIGEST=%s", idigestr.c_str());
-#endif
-	    idigest.from_hex(idigestr);
-	}
-	if( (*i).id && !strcmp((*i).id,"FILENAME") ) {
-	    assert( (*i).type && !strcmp((*i).type,"application/x-tar") );
-#ifdef III_SAVE_TARS
-	    std::string tarfile = indir.get_file(filename);
-	    {
-		std::ofstream(tarfile.c_str(),std::ios::out|std::ios::binary).write((*i).ptr,(*i).size);
-	    }
-#endif
-
-	    if(!tf.empty()) throw std::runtime_error("already seen tarball");
-	    if(!digest.empty()) throw std::runtime_error("already have integrity digest");
-	    digest = integrity_digest((*i).ptr,(*i).size,eyekinfig.get_upload_key());
-#ifndef NDEBUG
-	    syslog(LOG_DEBUG," computed integrity digest=%s", digest.hex().c_str());
-#endif
-#ifdef HAVE_SQLITE
-	    if(!(*i).size) {
-		if(!already.is(filename,filesignature,filesize))
-		    throw std::runtime_error("got zero-length upload for unknown file");
-		beenthere = true; continue;
-	    }
-#endif
-
-	    tarchive_t a((*i).ptr,(*i).size);
-	    while(a.read_next_header()) {
-		std::string ep = a.entry_pathname(), f = indir.get_file(ep);
-		if(ep==the_file) tf = f;
-		else if(ep==the_log) lf = f;
-		else continue;
-		int fd=open(f.c_str(),O_CREAT|O_WRONLY,0666);
-		if(fd<0)
-		    throw std::runtime_error(gnu::autosprintf("failed to create output file '%s'",f.c_str()));
-		if(!a.read_data_into_fd(fd))
-		    throw std::runtime_error(gnu::autosprintf("failed to untar file into '%s'",f.c_str()));
-		close(fd);
-	    }
-	}
-    }
-
-#ifdef HAVE_SQLITE
-    if(beenthere) {
-	r.success=true;
-	return SOAP_OK;
-    }
-#endif
-
-    if(tf.empty()) throw std::runtime_error("haven't seen THE file");
-    if(digest!=idigest) throw std::runtime_error("integrity digest verification failed");
-
-    std::string::size_type ls = tf.rfind('/');
-    // XXX: actually, lack of '/' signifies error here
-    std::string tbn = (ls==std::string::npos)?tf:tf.substr(ls+1);
-    ls = lf.rfind('/');
-    std::string lbn = (ls==std::string::npos)?lf:lf.substr(ls+1);
-    std::string ttf,tlf;
-    bool success = false;
-    for(int i=0;i<32767;++i) {
-	const char *fmt = i ? "%1$s/(%3$05d)%2$s" : "%1$s/%2$s";
-	ttf = (const char*)gnu::autosprintf(fmt,td.c_str(),tbn.c_str(),i);
-	if(!lf.empty()) tlf = (const char*)gnu::autosprintf(fmt,td.c_str(),lbn.c_str(),i);
-	if( (!link(tf.c_str(),ttf.c_str())) && (lf.empty() || !link(lf.c_str(),tlf.c_str())) ) {
-	    unlink(tf.c_str());
-	    if(!lf.empty()) unlink(lf.c_str());
-	    success=true;
-	    break;
-	}
-    }
-    std::string cmd = eyekinfig.get_on_upload_photo();
-    if(success) {
-#ifdef HAVE_SQLITE
-	{
-	    iiidb_t D(eyekinfig);
-	    D.prepare(
-		    "INSERT INTO photo"
-		    " (ctime,mac,fileid,filename,filesize,filesignature,encryption,flags)"
-		    " VALUES"
-		    " (:ctime,:mac,:fileid,:filename,:filesize,:filesignature,:encryption,:flags)"
-	    ).bind(":ctime",time(0))
-	     .bind(":mac",macaddress)
-	     .bind(":fileid",fileid).bind(":filename",filename)
-	     .bind(":filesize",filesize).bind(":filesignature",filesignature)
-	     .bind(":encryption",encryption).bind(":flags",flags)
-	     .step();
-	}
-#endif /* HAVE_SQLITE */
-	if((!cmd.empty()) && detached_child()) {
-	    putenv( gnu::autosprintf("EYEFI_UPLOADED_ORIG=%s",tbn.c_str()) );
-	    putenv( gnu::autosprintf("EYEFI_MACADDRESS=%s",macaddress.c_str()) );
-	    putenv( gnu::autosprintf("EYEFI_UPLOADED=%s",ttf.c_str()) );
-	    if(!lf.empty()) putenv( gnu::autosprintf("EYEFI_LOG=%s",tlf.c_str()) );
-	    char *argv[] = { (char*)"/bin/sh", (char*)"-c", (char*)cmd.c_str(), 0 };
-	    execv("/bin/sh",argv);
-	    syslog(LOG_ERR,"Failed to execute '%s'",cmd.c_str());
-	    _exit(-1);
-	}
-    }
-
-    r.success = true;
-    return SOAP_OK;
-}catch(const std::exception& e) { return E(this,"UploadPhoto",e); }
--
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